Fix override of default key bindings

fixed #14667

packages/core/src/browser/keybinding.ts

@@ -622,15 +622,15 @@ export class KeybindingRegistry {
     matchKeybinding(keySequence: KeySequence, event?: KeyboardEvent): KeybindingRegistry.Match {
         let disabled: Set<string> | undefined;
         const isEnabled = (binding: ScopedKeybinding) => {
-            if (event && !this.isEnabled(binding, event)) {
-                return false;
-            }
             const { command, context, when, keybinding } = binding;
             if (!this.isUsable(binding)) {
                 disabled = disabled || new Set<string>();
                 disabled.add(JSON.stringify({ command: command.substring(1), context, when, keybinding }));
                 return false;
             }
+            if (event && !this.isEnabled(binding, event)) {
+                return false;
+            }
             return !disabled?.has(JSON.stringify({ command, context, when, keybinding }));
         };