add env var to field details popover

[christianvogt]

Description

As part of the UX review we identified a missing update to the field details popover.
Added environment variable details to popover:

cc @simrandhaliw

How Has This Been Tested?

• enable connection types feature flag
• go to Settings -> Connection types
• preview the s3 connection type
• click the ? for a field
• observe the popover details includes env var

Test Impact

N/A

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit or cypress tests for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change.

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[simrandhaliw]

Lgtm!

[openshift-ci]

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[emilys314]

I just tested this out locally and it's working all good

/lgtm

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 85.66%. Comparing base (91584ea) to head (560abcf).
Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
...epts/connectionTypes/fields/DataFormFieldGroup.tsx	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3454      +/-   ##
==========================================
- Coverage   85.66%   85.66%   -0.01%     
==========================================
  Files        1347     1347              
  Lines       30668    30678      +10     
  Branches     8537     8548      +11     
==========================================
+ Hits        26273    26281       +8     
- Misses       4395     4397       +2     

Files with missing lines	Coverage Δ
...epts/connectionTypes/fields/DataFormFieldGroup.tsx	85.71% <50.00%> (ø)

... and 6 files with indirect coverage changes

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