refactor: improvements to the auth implementation in admin dashboard (#3444)

* refactor: abstract axios queries to a separate helper file

* chore: delete unnecessary file

* chore: remove unnecessary console logs

* refactor: updated urls for api and authquery helpers

* refactor: updated auth implementation

* refactor: use default axios instance

* chore: improve code readability

* refactor: separate instances for rest and gql calls

* refactor: removed async await from functions that do not need them

* refactor: removed probable login and probable user from the auth system

* refactor: better error handling in login component

* chore: deleted unnecessary files and restructured some files

* feat: new errors file with typed error message formats

* refactor: removed unwanted usage of async await

* refactor: optimizing the usage and return of promises in auth flow

* refactor: convey boolean return type in a better way

* chore: apply suggestions

* refactor: handle case when mailcatcher is not active

---------

Co-authored-by: nivedin <nivedinp@gmail.com>
Co-authored-by: James George <jamesgeorge998001@gmail.com>

packages/hoppscotch-sh-admin/src/helpers/axiosConfig.ts

@@ -0,0 +1,20 @@
+import axios from 'axios';
+
+const baseConfig = {
+  headers: {
+    'Content-type': 'application/json',
+  },
+  withCredentials: true,
+};
+
+const gqlApi = axios.create({
+  ...baseConfig,
+  baseURL: import.meta.env.VITE_BACKEND_GQL_URL,
+});
+
+const restApi = axios.create({
+  ...baseConfig,
+  baseURL: import.meta.env.VITE_BACKEND_API_URL,
+});
+
+export { gqlApi, restApi };