Update auth flow

[raheeliftikhar5]

Proposed changes

Till now, everyone could Sign Up at a instance of Lowcoder. Also, a user needed to have a special link to reach the Login-Site of a Workspace, where an individual Auth Provider setup may have been configured.

We changed the whole flow now and only a central login form is left. Based on a selection, the user identifies the workspace he want to login there and get presented after that all possible Auth Providers for that workspace on the common central login form.

Next to it, we finally respect also the ENV LOWCODER_EMAIL_SIGNUP_ENABLED - so the Signup is not possible, if this ENV turned to false. This is a long awaited change and many of you had a lot of patience with us, till we finally made this happen. Also for us it was a longer way, as things can get fast quite complex under the hood.

However, we hope that now it will be a truly good user experience!

Types of changes

• Bugfix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Documentation Update (if none of the other choices apply)

Checklist

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

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[FalkWolsky]

These changes are truly remarkable and of huge value for our community. We can only express our thankfulness!