Prevent recently closed window from having actions performed on it (#8143)

Fixes #8121

src/openrct2-ui/windows/Options.cpp

@@ -659,7 +659,7 @@ static void window_options_mouseup(rct_window* w, rct_widgetindex widgetIndex)
     {
         case WIDX_CLOSE:
             window_close(w);
-            break;
+            return;
         case WIDX_TAB_1:
         case WIDX_TAB_2:
         case WIDX_TAB_3:

src/openrct2-ui/windows/TextInput.cpp

@@ -285,11 +285,13 @@ void window_text_input_key(rct_window* w, char keychar)
     {
         context_stop_text_input();
         window_close(w);
-        rct_window* calling_w = window_find_by_number(calling_class, calling_number);
+        // Window was closed and its unique_ptr is gone,
+        // don't try invalidating it.
+        w = window_find_by_number(calling_class, calling_number);
         // Pass back the text that has been entered.
         // ecx when nonzero means text input success
-        if (calling_w)
-            window_event_textinput_call(calling_w, calling_widget, text_input);
+        if (w)
+            window_event_textinput_call(w, calling_widget, text_input);
     }
 
     window_invalidate(w);
@@ -303,6 +305,7 @@ void window_text_input_update7(rct_window* w)
     if (!calling_w)
     {
         window_close(w);
+        return;
     }
 
     // Used to blink the cursor.

src/openrct2-ui/windows/TileInspector.cpp

@@ -796,7 +796,7 @@ static void window_tile_inspector_mouseup(rct_window* w, rct_widgetindex widgetI
         case WIDX_CLOSE:
             tool_cancel();
             window_close(w);
-            break;
+            return;
         case WIDX_BUTTON_CORRUPT:
             window_tile_inspector_insert_corrupt_element(windowTileInspectorSelectedIndex);
             break;