Fixed some warnings and added code to close active windows on disable (#2915)

src/modules/keyboardmanager/ui/EditKeyboardWindow.h

@@ -5,4 +5,7 @@
 void createEditKeyboardWindow(HINSTANCE hInst, KeyboardManagerState& keyboardManagerState);
 
 // Function to check if there is already a window active if yes bring to foreground
-bool CheckEditKeyboardWindowActive();
+bool CheckEditKeyboardWindowActive();
+
+// Function to close any active Edit Keyboard window
+void CloseActiveEditKeyboardWindow();