feat: [FC-0099] redirect to admin console MFE (#2570)

* feat: redirect to admin console MFE

This PR redirects to admin console MFE if the URL is configured, to leverage the new experience of team management this is part of the AuthZ project https://github.com/openedx/openedx-authz/tree/main/docs/decisions

* refactor: split the logic into 2 variables for readability

.env.development

@@ -51,3 +51,4 @@ LIBRARY_UNSUPPORTED_BLOCKS="conditional,step-builder,problem-builder"
 # Fallback in local style files
 PARAGON_THEME_URLS={}
 COURSE_TEAM_SUPPORT_EMAIL=''
+ADMIN_CONSOLE_URL='http://localhost:2025/admin-console'