enhance: do not run git command if there's not a file locked by current user

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/ViewModels/LFSLocks.cs

@@ -77,15 +77,18 @@ public async Task UnlockAllMyLocksAsync()
             if (_isLoading || string.IsNullOrEmpty(_userName))
                 return;
 
-            IsLoading = true;
-
             var locks = new List<string>();
             foreach (var lfsLock in _cachedLocks)
             {
                 if (lfsLock.Owner.Name.Equals(_userName, StringComparison.Ordinal))
                     locks.Add(lfsLock.Path);
             }
 
+            if (locks.Count == 0)
+                return;
+
+            IsLoading = true;
+
             var log = _repo.CreateLog("Unlock LFS Locks");
             var succ = await new Commands.LFS(_repo.FullPath).Use(log).UnlockMultipleAsync(_remote, locks, true);
             if (succ)