ZMS-3: remove no-locking for sub-chunksize attachments

Author: NickOvt

lib/attachments/gridstore-storage.js

@@ -231,11 +231,6 @@ class GridstoreStorage {
                             return done();
                         }
 
-                        if (attachment.body.length < 255 * 1024) {
-                            // a single chunk attachment, no need for locking
-                            return done();
-                        }
-
                         // Try to get a lock
                         // Using locks is required to prevent multiple messages storing the same large attachment at
                         // the same time.
@@ -305,12 +300,15 @@ class GridstoreStorage {
                                             }
 
                                             // partial chunks for a probably deleted message detected, try to clean up
-                                            setTimeout(() => {
-                                                if (returned) {
-                                                    return;
-                                                }
-                                                this.cleanupGarbage(id, tryStore);
-                                            }, 100 + 200 * Math.random());
+                                            setTimeout(
+                                                () => {
+                                                    if (returned) {
+                                                        return;
+                                                    }
+                                                    this.cleanupGarbage(id, tryStore);
+                                                },
+                                                100 + 200 * Math.random()
+                                            );
                                         }
                                     );
                                 } else {