Boot Keyboard keys were never being released.

Fixes #825

src/kaleidoscope/driver/hid/base/Keyboard.h

@@ -193,9 +193,13 @@ class Keyboard {
   }
   void releaseAllKeys() __attribute__((noinline)) {
     resetModifierTracking();
+    if (boot_keyboard_.getProtocol() == HID_BOOT_PROTOCOL) {
+        boot_keyboard_.releaseAll();
+    } else {
         nkro_keyboard_.releaseAll();
         consumer_control_.releaseAll();
     }
+  }
   void pressConsumerControl(Key mapped_key) {
     consumer_control_.press(CONSUMER(mapped_key));
   }