input_common: Release mouse buttons on out of focus

src/input_common/mouse/mouse_input.h

@@ -65,10 +65,16 @@ public:
     void MouseMove(int x, int y, int center_x, int center_y);
 
     /**
-     * Signals that a motion sensor tilt has ended.
+     * Signals that a button is released.
+     * @param button_ the button pressed
      */
     void ReleaseButton(MouseButton button_);
 
+    /**
+     * Signals that all buttons are released
+     */
+    void ReleaseAllButtons();
+
     [[nodiscard]] bool ToggleButton(std::size_t button_);
     [[nodiscard]] bool UnlockButton(std::size_t button_);