fix: (CXSPA-9048) - Fix popover and dropdown appearance when a High Contrast Theme is applied.

[petarmarkov9449]

Tickets: CXSPA-9048

Fix popover and dropdown appearance when a High Contrast Theme is applied.

[github-actions]

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[cypress]

spartacus    Run #46572

Run Properties:   Passed #46572  •  7972e23bfd ℹ️: Merge 761289b0be490fd2fe7f26458ba3dcc492a6a762 into 1016f2d6e597b8729dcca331fd94...

Project	spartacus
Branch Review	feature/CXSPA-9048
Run status	Passed #46572
Run duration	12m 44s
Commit	7972e23bfd ℹ️: Merge 761289b0be490fd2fe7f26458ba3dcc492a6a762 into 1016f2d6e597b8729dcca331fd94...
Committer	petarmarkov9449
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Test results
Failures	0
Flaky	3
Pending	2
Skipped	0
Passing	125
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[github-actions]

Merge Checks Failed

Please push a commit to re-trigger the build. 
To push an empty commit you can use `git commit --allow-empty -m "Trigger Build"`

[github-actions]

Merge Checks Failed

Please push a commit to re-trigger the build. 
To push an empty commit you can use `git commit --allow-empty -m "Trigger Build"`