Enhancement: support Jackett widget with admin password (#3097) (#3165)

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Co-authored-by: shamoon <4887959+shamoon@users.noreply.github.com>

src/widgets/jackett/widget.js

@@ -1,8 +1,9 @@
-import genericProxyHandler from "utils/proxy/handlers/generic";
+import jackettProxyHandler from "./proxy";
 
 const widget = {
   api: "{url}/api/v2.0/{endpoint}?apikey={key}&configured=true",
-  proxyHandler: genericProxyHandler,
+  proxyHandler: jackettProxyHandler,
+  loginURL: "{url}/UI/Dashboard",
 
   mappings: {
     indexers: {