feat: use label selector to pick namespace

[zdtsw]

cherry-pick #1370 + more kinds

• for clean installation:
  • if user keep using default pre-defined namespace: same as before
  • if user want to use a different namespace: they will need to create project themselves, and add label "opendatahub.io/watched-namespace": "true" then install ODH operator and create DSCI by fill in these namespaces or install RHOAI and delete auto created DSCI and create DSCI by fill in these namespaces
• for upgrade: operator only use selector to get namespace this can bypass hardcoded namespace limitation

Description

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[zdtsw]

dont think if it is needed, but open it in case we wanna have it for 407 phase 1

[lburgazzoli]

can we move this as draft, I think discussion at this stage is very much ongoing so better to be sure it matches the expectations

[zdtsw]

can we move this as draft, I think discussion at this stage is very much ongoing so better to be sure it matches the expectations

sure, i leave it to the team to discuss if it is needed.

[codecov]

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