fix(design): update the property used to set a default alignment on callout

[xelaint]

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• Tests for the changes have been added (for bug fixes / features)
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PR Type

What kind of change does this PR introduce?

[x] Bugfix
[ ] Feature
[ ] Code style update (formatting, local variables)
[ ] Refactoring (no functional changes, no api changes)
[ ] Build related changes
[ ] CI related changes
[ ] Documentation content changes
[ ] Other... Please describe:

What is the current behavior?

textAlignment is used to set a "default" on callout. defaultAlignment is the correct property to use, otherwise text alignment will always be what's set in the callout.

Fixes: #3117

What is the new behavior?

Does this PR introduce a breaking change?

[ ] Yes
[x] No

Other information