Refactoring in preparation for WebSockets (#254)

* Fix injector race conditions

* add some more tasks

* hide useless rollup warnings

* goodbye to clientsession errors

* completely fix desktop mode switch race condition

* fix typos and TS warning in plugin error handler

* fix chown error

* start debugger if needed and not already started

* fix get_steam_resource for the like 2 legacy plugins still using it lol

* add ClientOSError to get_tabs error handling

frontend/src/plugin-loader.tsx

@@ -249,11 +249,11 @@ class PluginLoader extends Logger {
           <>
             Error:{' '}
             <pre>
-              <code>{e instanceof Error ? e.stack : e?.toString()}</code>
+              <code>{e instanceof Error ? e.stack : JSON.stringify(e)}</code>
             </pre>
             <>
-              Please go to <FaCog style={{ display: 'inline' }} /> in Decky Loader.e settings menu if you need to
-              uninstall this plugin.
+              Please go to <FaCog style={{ display: 'inline' }} /> in the Decky menu if you need to uninstall this
+              plugin.
             </>
           </>
         );