feat: Show Traefik IngressRoute in network view

[2mas]

Displays the IngressRoute resource in the network view.

ExternalURLs dropdown is not populated here since it can be constructed by regexes both for path and hostnames, but the targeted Service's are connected and visualized.

Fixes #15368 <- enhancement proposal
Fixes the IngressRoute part of #11934

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Checklist:

• Either (a) I've created an enhancement proposal and discussed it with the community, (b) this is a bug fix, or (c) this does not need to be in the release notes.
• The title of the PR states what changed and the related issues number (used for the release note).
• The title of the PR conforms to the Toolchain Guide
• I've included "Closes [ISSUE #]" or "Fixes [ISSUE #]" in the description to automatically close the associated issue.
• I've updated both the CLI and UI to expose my feature, or I plan to submit a second PR with them.
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• I've updated documentation as required by this PR.
• Optional. My organization is added to USERS.md.
• I have signed off all my commits as required by DCO
• I have written unit and/or e2e tests for my change. PRs without these are unlikely to be merged.
• My build is green (troubleshooting builds).
• My new feature complies with the feature status guidelines.
• I have added a brief description of why this PR is necessary and/or what this PR solves.

[codecov]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (aced025) 49.51% compared to head (96d7bba) 49.99%.

❗ Current head 96d7bba differs from pull request most recent head b3d5de3. Consider uploading reports for the commit b3d5de3 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #15369      +/-   ##
==========================================
+ Coverage   49.51%   49.99%   +0.48%     
==========================================
  Files         269      263       -6     
  Lines       46972    45276    -1696     
==========================================
- Hits        23257    22637     -620     
+ Misses      21433    20421    -1012     
+ Partials     2282     2218      -64     

Files	Coverage Δ
controller/cache/info.go	67.81% <85.36%> (+1.04%)	⬆️

... and 71 files with indirect coverage changes

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[ChristianCiach]

How can we progress here? Is there anything missing?

[2mas]

I was hoping for some feedback to come in, but I'm not chasing :)