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/db/databaseUtil.ts

@@ -107,7 +107,6 @@ export async function updateDidSpecificSettings(
     settingsChanges.firstName &&
     settingsChanges.isRegistered !== undefined
   ) {
-
     // Update firstName
     await platform.dbExec(
       "UPDATE settings SET firstName = ? WHERE accountDid = ?",