Add Missing copyright headers in src/portal

[bupd]

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Comprehensive Summary of your change

• Add Missing Copyright headers in src/portal UI part 1

Issue being fixed

Fixes #21628

Please indicate you've done the following:

• Well Written Title and Summary of the PR
• Label the PR as needed. "release-note/ignore-for-release, release-note/new-feature, release-note/update, release-note/enhancement, release-note/community, release-note/breaking-change, release-note/docs, release-note/infra, release-note/deprecation"
• Accepted the DCO. Commits without the DCO will delay acceptance.
• Made sure tests are passing and test coverage is added if needed.
• Considered the docs impact and opened a new docs issue or PR with docs changes if needed in website repository.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 46.25%. Comparing base (c8c11b4) to head (0b6c11a).
Report is 399 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main   #21693      +/-   ##
==========================================
+ Coverage   45.36%   46.25%   +0.88%     
==========================================
  Files         244      250       +6     
  Lines       13333    14133     +800     
  Branches     2719     2908     +189     
==========================================
+ Hits         6049     6537     +488     
- Misses       6983     7249     +266     
- Partials      301      347      +46     

Flag	Coverage Δ
unittests	46.25% <ø> (+0.88%)	⬆️

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see 494 files with indirect coverage changes