Fix mouse move over an unfocused window

platform/windows/display_server_windows.cpp

@@ -4692,9 +4692,12 @@ LRESULT DisplayServerWindows::WndProc(HWND hWnd, UINT uMsg, WPARAM wParam, LPARA
 				break;
 			}
 
-			DisplayServer::WindowID receiving_window_id = _get_focused_window_or_popup();
-			if (receiving_window_id == INVALID_WINDOW_ID) {
-				receiving_window_id = window_id;
+			DisplayServer::WindowID receiving_window_id = window_id;
+			if (mouse_mode == MOUSE_MODE_CAPTURED || mouse_mode == MOUSE_MODE_CONFINED || mouse_mode == MOUSE_MODE_CONFINED_HIDDEN) {
+				receiving_window_id = _get_focused_window_or_popup();
+				if (receiving_window_id == INVALID_WINDOW_ID) {
+					receiving_window_id = window_id;
+				}
 			}
 
 			const BitField<WinKeyModifierMask> &mods = _get_mods();