Keymap: pressing leader key (Alt) again closes tool prompt

Provides a convenient way to close
if the tool prompt is opened by accident.

release/scripts/startup/bl_operators/wm.py

@@ -1843,6 +1843,13 @@ class WM_OT_toolbar_prompt(Operator):
             context.workspace.status_text_set(None)
             return {'FINISHED'}
 
+        # Pressing entry even again exists, as long as it's not mapped to a key (for convenience).
+        if event_type == self._init_event_type:
+            if event_value == 'RELEASE':
+                if not (event.ctrl or event.alt or event.shift or event.oskey):
+                    context.workspace.status_text_set(None)
+                    return {'CANCELLED'}
+
         return {'RUNNING_MODAL'}
 
     def invoke(self, context, event):