Resolve variables when updating them after profiles are merged

[alexissellier]

What issue type does this pull request address? (keep at least one, remove the others) /kind bugfix

What does this pull request do? Which issues does it resolve? (use resolves #<issue_number> if possible) resolves #2262

Please provide a short message that should be published in the DevSpace release notes Fixed an issue where DevSpace variables where not resolved after profile activation that would override an existing variable

What else do we need to know?

[alexissellier]

I will try to work on this before Wednesday

[alexandradragodan]

Hey, folks 👋

Thanks for your contribution so far! Are you still working on this PR?

Please let us know if there's anything we can support with. We'd be happy to!