fix: null check for RevisionFileSearchSuggestion on key down

JC-Chung · JC-Chung · commit c0f25637a87a · 2026-07-01T00:26:45.000+08:00
diff --git a/src/Views/RevisionFiles.axaml.cs b/src/Views/RevisionFiles.axaml.cs
@@ -29,7 +29,7 @@ private async void OnSearchBoxKeyDown(object _, KeyEventArgs e)
             }
             else if (e.Key == Key.Down || e.Key == Key.Up)
             {
-                if (vm.RevisionFileSearchSuggestion.Count > 0)
+                if (vm.RevisionFileSearchSuggestion?.Count > 0)
                 {
                     SearchSuggestionBox.Focus(NavigationMethod.Tab);
                     SearchSuggestionBox.SelectedIndex = 0;

Original file line number	Diff line number	Diff line change
`@@ -29,7 +29,7 @@ private async void OnSearchBoxKeyDown(object _, KeyEventArgs e)`
`29`	`29`	`}`
`30`	`30`	`else if (e.Key == Key.Down \|\| e.Key == Key.Up)`
`31`	`31`	`{`
`32`		`- if (vm.RevisionFileSearchSuggestion.Count > 0)`
	`32`	`+ if (vm.RevisionFileSearchSuggestion?.Count > 0)`
`33`	`33`	`{`
`34`	`34`	`SearchSuggestionBox.Focus(NavigationMethod.Tab);`
`35`	`35`	`SearchSuggestionBox.SelectedIndex = 0;`