fix: include Decky version in request for index.js

This avoids the If-Modified-Since logic in aiohttp and makes
sure the script is always reloaded.

backend/main.py

@@ -24,8 +24,9 @@
 # local modules
 from browser import PluginBrowser
 from helpers import (REMOTE_DEBUGGER_UNIT, csrf_middleware, get_csrf_token,
-                     mkdir_as_user, get_system_pythonpaths, get_effective_user_id)
-
+                     mkdir_as_user, get_system_pythonpaths, get_effective_user_id,
+                     get_loader_version)
+
 from injector import get_gamepadui_tab, Tab, get_tabs, close_old_tabs
 from loader import Loader
 from settings import SettingsManager
@@ -162,7 +163,7 @@ async def inject_javascript(self, tab: Tab, first=False, request=None):
             if first:
                 if await tab.has_global_var("deckyHasLoaded", False):
                     await close_old_tabs()
-            await tab.evaluate_js("try{if (window.deckyHasLoaded){setTimeout(() => location.reload(), 100)}else{window.deckyHasLoaded = true;(async()=>{try{while(!window.SP_REACT){await new Promise(r => setTimeout(r, 10))};await import('http://localhost:1337/frontend/index.js')}catch(e){console.error(e)};})();}}catch(e){console.error(e)}", False, False, False)
+            await tab.evaluate_js("try{if (window.deckyHasLoaded){setTimeout(() => location.reload(), 100)}else{window.deckyHasLoaded = true;(async()=>{try{while(!window.SP_REACT){await new Promise(r => setTimeout(r, 10))};await import('http://localhost:1337/frontend/index.js?v=%s')}catch(e){console.error(e)};})();}}catch(e){console.error(e)}" % (get_loader_version(), ), False, False, False)
         except:
             logger.info("Failed to inject JavaScript into tab\n" + format_exc())
             pass