[FIX] iFrame login takes user to blank screen

[reinaldonetof]

Proposed changes

The user should be redirected to a screen that allows them to continue the login process.

Issue(s)

How to test or reproduce

Given there has already been an iframe login made

• Go to the app's first screen and tap on the "workspace URL" field
• choose the "iframe" server from the dropdown

Screenshots

Before

Screen.Recording.2022-07-25.at.15.53.07.mov

After

Screen.Recording.2022-07-25.at.15.51.28.mov

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• Improvement (non-breaking change which improves a current function)
• New feature (non-breaking change which adds functionality)
• Documentation update (if none of the other choices apply)

Checklist

• I have read the CONTRIBUTING doc
• I have signed the CLA
• Lint and unit tests pass locally with my changes
• I have added tests that prove my fix is effective or that my feature works (if applicable)
• I have added necessary documentation (if applicable)
• Any dependent changes have been merged and published in downstream modules

Further comments