Update conda-store-ui tests for updated page verbage

[soapy1]

This PR fixes the broken conda-store ui tests which look for the Create Environment button. This button was renamed in conda-incubator/conda-store-ui#389 to just Create.

This test might have started breaking after updating conda-store from 2024.3.1 to 2024.11.1.

What does this implement/fix?

Put a x in the boxes that apply

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds a feature)
• Breaking change (fix or feature that would cause existing features not to work as expected)
• Documentation Update
• Code style update (formatting, renaming)
• Refactoring (no functional changes, no API changes)
• Build related changes
• Other (please describe):

Testing

• Did you test the pull request locally?
• Did you add new tests?

[marcelovilla]

Closes #2908

[marcelovilla]

Thanks @soapy1 🚀