Fix shutdown timeouts (#695)

Co-authored-by: AAGaming <aagaming@riseup.net>

backend/decky_loader/main.py

@@ -101,6 +101,8 @@ class PluginManager:
         self.web_app.add_routes([static("/static", path.join(path.dirname(__file__), 'static'))])
 
     async def handle_crash(self):
+        if not self.reinject:
+            return
         new_time = time()
         if (new_time - self.last_webhelper_exit < 60):
             self.webhelper_crash_count += 1
@@ -118,9 +120,13 @@ class PluginManager:
     async def shutdown(self, _: Application):
         try:
             logger.info(f"Shutting down...")
+            logger.info("Disabling reload...")
+            await self.plugin_loader.disable_reload()
+            logger.info("Killing plugins...")
             await self.plugin_loader.shutdown_plugins()
-            await self.ws.disconnect()
+            logger.info("Disconnecting from WS...")
             self.reinject = False
+            await self.ws.disconnect()
             if self.js_ctx_tab:
                 await self.js_ctx_tab.close_websocket()
                 self.js_ctx_tab = None