Used awesome snackbar and fixed gemini_ico.png not found

lib/screens/tasks/task_detail_screen.dart

@@ -3763,11 +3763,7 @@ class _TaskDetailScreenState extends ConsumerState<TaskDetailScreen>
     final plainText = _actionController?.document.toPlainText().trim() ?? '';
     if (plainText.isEmpty) {
       if (!context.mounted) return;
-      ScaffoldMessenger.of(context).showSnackBar(
-        const SnackBar(
-          content: Text('Please enter some action taken text first'),
-        ),
-      );
+      showWarningSnackBar(context, 'Please enter some action taken text first');
       return;
     }
 
@@ -3829,15 +3825,11 @@ class _TaskDetailScreenState extends ConsumerState<TaskDetailScreen>
       }
 
       if (context.mounted) {
-        ScaffoldMessenger.of(context).showSnackBar(
-          const SnackBar(content: Text('Action taken improved successfully')),
-        );
+        showSuccessSnackBar(context, 'Action taken improved successfully');
       }
     } catch (e) {
       if (context.mounted) {
-        ScaffoldMessenger.of(
-          context,
-        ).showSnackBar(SnackBar(content: Text('Error: $e')));
+        showErrorSnackBar(context, 'Error: $e');
       }
     } finally {
       if (mounted) {