make tooltip arrow green

[raynecloudy]

Resolves

resolves #9766

Proposed Changes

this PR includes a simple stylistic fix to "add _____" tooltips.

before:

after:

Reason for Changes

it was a little ugly before and appeared to be a mistake

Test Coverage

before changes:

Test Suites: 15 failed, 1 skipped, 15 of 16 total
Tests:       97 failed, 7 skipped, 104 total
Snapshots:   0 total
Time:        4.684s

after changes:

Test Suites: 15 failed, 1 skipped, 15 of 16 total
Tests:       97 failed, 7 skipped, 104 total
Snapshots:   0 total
Time:        7.979s

Browser Coverage

Check the OS/browser combinations tested (At least 2)

Mac

• Chrome
• Firefox
• Safari

Windows

• Chrome (success)
• Firefox (success)
• Edge (success)

Chromebook

• Chrome (success)

iPad

• Safari (success)

Android Tablet

• Chrome

[github-actions]

All contributors have signed the CLA ✍️ ✅
_{Posted by the CLA Assistant Lite bot.}

[raynecloudy]

I have read the CLA Document and I hereby sign the CLA

[rosics-code]

Nice!