MWPW-160510 - Expand icon tooltip functionality

[Sartxi]

Extends the current milo tooltip functionality to be able to use it on other icons besides the information icon. Tooltips will now also be considered in placeholder decoration, so you can use placeholders as tooltip content.

Authoring
To author icon tooltips the icon should append the desired position/text separated by | and then be italicized.
example: :lock: | top | Desired tooltip text

Backwards compatibility
This is supporting legacy tooltip authoring by updating all :tooltip: icons to use the :info-outline: icon. (Legacy implementation uses same position/text authoring)

Resolves: MWPW-160510

Test URLs:

• Before: https://main--milo--adobecom.hlx.page/drafts/sarchibeque/milo-tooltips?martech=off
• After: https://sartxi-mwpw-160510-tooltip--milo--adobecom.hlx.page/drafts/sarchibeque/milo-tooltips?martech=off

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Commits

• d470e7e ✅ (latest)
• e0a0888 ✅
• 238fab4 ✅
• e46b364 ✅
• 43f54a7 ✅
• 7c374eb ✅

[aem-code-sync]

	Page	Scores	Audits	Google
📱	/drafts/sarchibeque/milo-tooltips?martech=off
🖥️	/drafts/sarchibeque/milo-tooltips?martech=off

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 96.37%. Comparing base (df454db) to head (d470e7e).
Report is 11 commits behind head on stage.

Additional details and impacted files

@@            Coverage Diff             @@
##            stage    #3173      +/-   ##
==========================================
- Coverage   96.38%   96.37%   -0.01%     
==========================================
  Files         245      245              
  Lines       56651    56651              
==========================================
- Hits        54601    54596       -5     
- Misses       2050     2055       +5     

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