Release keys when switching layers

Just a good way to unstick keys just in case.

Author: dearmash

Macropad_Hotkeys/code.py

@@ -42,6 +42,7 @@ def switch(self):
             else:  # Key not in use, no label or LED
                 MACROPAD.pixels[i] = 0
                 GROUP[i].text = ''
+        MACROPAD.keyboard.release_all()
         MACROPAD.pixels.show()
         MACROPAD.display.refresh()