fix(tooltip): fix tooltip proptype

[robstax]

Tooltip PropTypes were wrong and spewing a lot of PropType error messages.

Description

oneOf should be oneOfType

Related Issue

Motivation and Context

How Has This Been Tested?

Screenshots:

Before (If applicable):

After:

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Documentation update
• Code style update (formatting, local variables)
• Refactoring (no functional changes, no api changes)
• Build related changes
• CI related changes
• Other... Please describe:

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

[robstax]

closing because #789 beat me to the punch! hahaha...

[codecov]

Codecov Report

Merging #790 (e5c2270) into master (32088ee) will increase coverage by 0.04%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #790      +/-   ##
==========================================
+ Coverage   94.08%   94.12%   +0.04%     
==========================================
  Files         125      125              
  Lines       14657    14657              
  Branches     2157     2161       +4     
==========================================
+ Hits        13790    13796       +6     
+ Misses        867      861       -6     

Impacted Files	Coverage Δ
web-components/src/mixins/RovingTabIndexMixin.ts	93.63% <0.00%> (-3.64%)	⬇️
...components/src/components/datepicker/DatePicker.ts	88.53% <0.00%> (-1.19%)	⬇️
web-components/src/mixins/SlottedMixin.ts	100.00% <0.00%> (+1.80%)	⬆️
web-components/src/components/list/ListItem.ts	100.00% <0.00%> (+2.94%)	⬆️
web-components/src/components/icon/Icon.ts	81.54% <0.00%> (+2.97%)	⬆️
...mponents/src/components/draggable/DraggableItem.ts	100.00% <0.00%> (+6.25%)	⬆️

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