Authentication Workflow fixes. Redirection fixes (#832)

* auth integration fixes

* auth integration fixes

* auth integration fixes

* auth integration fixes

* dev: update user api to return fallback workspace and improve the structure of the response

* dev: fix the issue keyerror and move onboarding logic to serializer method field

* dev: use-user-auth hook imlemented for route access validation and build issues resolved effected by user payload

* fix: global theme color fix

* style: new onboarding ui , fix: use-user-auth hook implemented

* fix: command palette, project invite modal and issue detail page mutation type fix

* fix: onboarding redirection fix

* dev: build isuue resolved

* fix: use user auth hook fix

* fix: sign in toast alert fix, sign out redirection fix and user theme error fix

* fix: user response fix

* fix: unAuthorizedStatus logic updated

---------

Co-authored-by: pablohashescobar <nikhilschacko@gmail.com>
Co-authored-by: gurusainath <gurusainath007@gmail.com>
Co-authored-by: anmolsinghbhatia <anmolsinghbhatia@caravel.tech>

apps/app/pages/[workspaceSlug]/projects/[projectId]/issues/[issueId].tsx

@@ -78,12 +78,15 @@ const IssueDetailsPage: NextPage = () => {
     async (formData: Partial<IIssue>) => {
       if (!workspaceSlug || !projectId || !issueId) return;
 
-      mutate(
+      mutate<IIssue>(
         ISSUE_DETAILS(issueId as string),
-        (prevData: IIssue) => ({
-          ...prevData,
-          ...formData,
-        }),
+        (prevData) => {
+          if (!prevData) return prevData;
+          return {
+            ...prevData,
+            ...formData,
+          };
+        },
         false
       );