[mob][photos] Remove file entry for files that are already queued (#6621)

## Description
Potential fix for duplicate file entry on home page. [Discord
Ref](https://discord.com/channels/948937918347608085/1397039940692607140/1397039940692607140)
## Tests

mobile/apps/photos/lib/db/files_db.dart

@@ -979,6 +979,29 @@ class FilesDB with SqlDbBase {
     return result;
   }
 
+  // remove references for local files which are either already uploaded
+  // or queued for upload but not yet uploaded
+  Future<int> removeQueuedLocalFiles(Set<String> localIDs) async {
+    final db = await instance.sqliteAsyncDB;
+    final inParam = localIDs.map((id) => "'$id'").join(',');
+    final r = await db.execute(
+      '''
+      DELETE FROM $filesTable
+      WHERE $columnLocalID IN ($inParam) and (collectionID IS NULL || collectionID = -1)
+      and ($columnUploadedFileID IS NULL OR $columnUploadedFileID = -1);
+    ''',
+    );
+    if (r.isNotEmpty) {
+      _logger.warning(
+        "Removed ${r.length} potential dups for already queued local files",
+      );
+    } else {
+      _logger.finest("No duplicate id found for queued/uploaded files");
+    }
+
+    return r.length;
+  }
+
   Future<Set<String>> getLocalFileIDsForCollection(int collectionID) async {
     final db = await instance.sqliteAsyncDB;
     final rows = await db.getAll(

mobile/apps/photos/lib/services/sync/remote_sync_service.dart

@@ -371,6 +371,9 @@ class RemoteSyncService {
         final Set<String> alreadyClaimedLocalIDs =
             await _db.getLocalIDsMarkedForOrAlreadyUploaded(ownerID);
         localIDsToSync.removeAll(alreadyClaimedLocalIDs);
+        if (alreadyClaimedLocalIDs.isNotEmpty) {
+          await _db.removeQueuedLocalFiles(alreadyClaimedLocalIDs);
+        }
       }
 
       if (localIDsToSync.isEmpty) {