feat(ui): Make Snapshot List page show fab button

- Resolve https://git.selfprivacy.org/SelfPrivacy/selfprivacy.org.app/issues/290

lib/logic/api_maps/rest_maps/backblaze.dart

@@ -103,7 +103,7 @@ class BackblazeApi extends RestApiMap {
       } else {
         throw Exception('code: ${response.statusCode}');
       }
-    } on DioException catch (e) {
+    } on DioError catch (e) {
       print(e);
       return GenericResult(
         data: false,

lib/logic/api_maps/rest_maps/dns_providers/cloudflare/cloudflare_api.dart

@@ -144,7 +144,7 @@ class CloudflareApi extends RestApiMap {
         );
       }
       await Future.wait(allCreateFutures);
-    } on DioException catch (e) {
+    } on DioError catch (e) {
       print(e.message);
       rethrow;
     } catch (e) {

lib/logic/api_maps/rest_maps/dns_providers/digital_ocean_dns/digital_ocean_dns_api.dart

@@ -133,7 +133,7 @@ class DigitalOceanDnsApi extends RestApiMap {
         );
       }
       await Future.wait(allCreateFutures);
-    } on DioException catch (e) {
+    } on DioError catch (e) {
       print(e.message);
       rethrow;
     } catch (e) {

lib/logic/api_maps/rest_maps/rest_api_map.dart

@@ -15,8 +15,8 @@ abstract class RestApiMap {
       dio.interceptors.add(PrettyDioLogger());
     }
     dio.interceptors.add(ConsoleInterceptor());
-    (dio.httpClientAdapter as IOHttpClientAdapter).createHttpClient = () {
+    (dio.httpClientAdapter as IOHttpClientAdapter).onHttpClientCreate =
-      final HttpClient client = HttpClient();
+        (final HttpClient client) {
       client.badCertificateCallback =
           (final X509Certificate cert, final String host, final int port) =>
               true;
@@ -25,7 +25,7 @@ abstract class RestApiMap {
 
     dio.interceptors.add(
       InterceptorsWrapper(
-        onError: (final DioException e, final ErrorInterceptorHandler handler) {
+        onError: (final DioError e, final ErrorInterceptorHandler handler) {
           print(e.requestOptions.path);
           print(e.requestOptions.data);
 
@@ -96,7 +96,7 @@ class ConsoleInterceptor extends InterceptorsWrapper {
 
   @override
   Future<void> onError(
-    final DioException err,
+    final DioError err,
     final ErrorInterceptorHandler handler,
   ) async {
     final Response? response = err.response;

lib/logic/api_maps/rest_maps/server_providers/hetzner/hetzner_api.dart

@@ -87,7 +87,7 @@ class HetznerApi extends RestApiMap {
     final String stagingAcme = TlsOptions.stagingAcme ? 'true' : 'false';
     Response? serverCreateResponse;
     HetznerServerInfo? serverInfo;
-    DioException? hetznerError;
+    DioError? hetznerError;
     bool success = false;
 
     final Dio client = await getClient();
@@ -117,7 +117,7 @@ class HetznerApi extends RestApiMap {
         serverCreateResponse.data['server'],
       );
       success = true;
-    } on DioException catch (e) {
+    } on DioError catch (e) {
       print(e);
       hetznerError = e;
     } catch (e) {

lib/ui/pages/backups/backups_list.dart

@@ -31,6 +31,7 @@ class BackupsListPage extends StatelessWidget {
         context.watch<BackupsCubit>().state.preventActions;
     return BrandHeroScreen(
       heroTitle: 'backup.snapshots_title'.tr(),
+      hasFlashButton: true,
       children: [
         if (backups.isEmpty)
           Center(

lib/ui/pages/server_details/charts/cpu_chart.dart

@@ -65,7 +65,7 @@ class CpuChart extends StatelessWidget {
               isCurved: false,
               barWidth: 2,
               color: Theme.of(context).colorScheme.primary,
-              dotData: const FlDotData(
+              dotData: FlDotData(
                 show: false,
               ),
               belowBarData: BarAreaData(
@@ -86,7 +86,7 @@ class CpuChart extends StatelessWidget {
           maxY: 100,
           minX: 0,
           titlesData: FlTitlesData(
-            topTitles: const AxisTitles(
+            topTitles: AxisTitles(
               sideTitles: SideTitles(showTitles: false),
             ),
             bottomTitles: AxisTitles(
@@ -109,12 +109,12 @@ class CpuChart extends StatelessWidget {
                 showTitles: true,
               ),
             ),
-            leftTitles: const AxisTitles(
+            leftTitles: AxisTitles(
               sideTitles: SideTitles(
                 showTitles: false,
               ),
             ),
-            rightTitles: const AxisTitles(
+            rightTitles: AxisTitles(
               sideTitles: SideTitles(
                 showTitles: false,
               ),

lib/ui/pages/server_details/charts/network_charts.dart

@@ -73,7 +73,7 @@ class NetworkChart extends StatelessWidget {
               isCurved: false,
               barWidth: 2,
               color: Theme.of(context).colorScheme.primary,
-              dotData: const FlDotData(
+              dotData: FlDotData(
                 show: false,
               ),
               belowBarData: BarAreaData(
@@ -94,7 +94,7 @@ class NetworkChart extends StatelessWidget {
               isCurved: false,
               barWidth: 2,
               color: Theme.of(context).colorScheme.tertiary,
-              dotData: const FlDotData(
+              dotData: FlDotData(
                 show: false,
               ),
               belowBarData: BarAreaData(
@@ -118,7 +118,7 @@ class NetworkChart extends StatelessWidget {
               1.2,
           minX: 0,
           titlesData: FlTitlesData(
-            topTitles: const AxisTitles(
+            topTitles: AxisTitles(
               sideTitles: SideTitles(showTitles: false),
             ),
             bottomTitles: AxisTitles(
@@ -141,7 +141,7 @@ class NetworkChart extends StatelessWidget {
                 showTitles: true,
               ),
             ),
-            leftTitles: const AxisTitles(
+            leftTitles: AxisTitles(
               sideTitles: SideTitles(showTitles: false),
             ),
             rightTitles: AxisTitles(