win-capture: Fix game capture hotkey activating immediately

When game capture was set to hotkey mode by the user, it would try to
activate the capture right away without waiting for the user to press a
hotkey.

plugins/win-capture/game-capture.c

@@ -420,9 +420,15 @@ static void game_capture_update(void *data, obs_data_t *settings)
 		gc->error_acquiring = false;
 	}
 
+	if (cfg.mode == CAPTURE_MODE_HOTKEY &&
+	    gc->config.mode != CAPTURE_MODE_HOTKEY) {
+		gc->activate_hook = false;
+	} else {
+		gc->activate_hook = !!window && !!*window;
+	}
+
 	free_config(&gc->config);
 	gc->config = cfg;
-	gc->activate_hook = !!window && !!*window;
 	gc->retry_interval = DEFAULT_RETRY_INTERVAL;
 	gc->wait_for_target_startup = false;