Fix unused variables and formatting from console.log cleanup

- Remove unused existingResult variable from importFromMnemonic function
- Fix empty catch block with proper error handling in ImportAccountView.vue
- Simplify debug database check in OnboardMeetingListView.vue
- Apply prettier formatting fixes across all modified files
- Resolve all 12 lint errors, maintaining only 16 pre-existing warnings
- Verify build passes with all changes

src/views/ImportAccountView.vue

@@ -210,11 +210,12 @@ export default class ImportAccountView extends Vue {
       // Check account-specific settings
       if (settings?.activeDid) {
         try {
-          const accountSettings = await this.$query(
-            "SELECT * FROM settings WHERE accountDid = ?",
-            [settings.activeDid],
-          );
+          await this.$query("SELECT * FROM settings WHERE accountDid = ?", [
+            settings.activeDid,
+          ]);
         } catch (error) {
+          // Log error but don't interrupt import flow
+          this.$logError("Error checking post-import settings: " + error);
         }
       }