Convert OADP operator to a namespace scoped operator

[shubham-pampattiwar]

Fixes #419

[openshift-ci]

Skipping CI for Draft Pull Request.
If you want CI signal for your change, please convert it to an actual PR.
You can still manually trigger a test run with /test all

[codecov-commenter]

Codecov Report

Merging #427 (4b46dae) into master (ad4c6bd) will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master     #427   +/-   ##
=======================================
  Coverage   41.48%   41.48%           
=======================================
  Files           9        9           
  Lines        1849     1849           
=======================================
  Hits          767      767           
  Misses       1033     1033           
  Partials       49       49           

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[shubham-pampattiwar]

/test operator-e2e