Address part of #490. Name the hyperlink with more details

[smoy]

What changed?

• Instead of [Run], name it [Extended Plan Details]
• If we don't have a valid url, don't include the fragment

Rationale

• Don't include the html if it's not valid.

How was it tested?

If it was manually verified, list the instructions for your reviewers to follow.

• Unit Tests
• Functional Tests
• Manually Verified

• example when there is no plan (so no valid url): https://github.com/noqdev/iambic-templates-itest/pull/313

[castrapel]

LGTM

[codecov]

Codecov Report

Patch coverage: 75.00% and project coverage change: -0.04% ⚠️

Comparison is base (9f356f9) 83.77% compared to head (5fea957) 83.74%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #549      +/-   ##
==========================================
- Coverage   83.77%   83.74%   -0.04%     
==========================================
  Files         105      105              
  Lines       12206    12209       +3     
==========================================
- Hits        10226    10224       -2     
- Misses       1980     1985       +5     

Flag	Coverage Δ
functional_tests	65.91% <0.00%> (-0.18%)	⬇️
functional_tests_config_discovery	46.03% <0.00%> (-0.02%)	⬇️
unit_tests	73.99% <75.00%> (-0.01%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Files Changed	Coverage Δ
iambic/plugins/v0_1_0/github/github.py	63.36% <75.00%> (+0.02%)	⬆️

... and 2 files with indirect coverage changes

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