UE Fix: Fixed Vanishing add and delete buttons when panel child properties are changed

[TalmizAhmed]

Please always provide the GitHub issue(s) your PR is for, as well as test URLs where your change can be observed (before and after):
2 smaller issues clubbed:

• Repeatable panle default button rendition was "Remove" and needed to be "Deleted" as provided in the default.
• Date input was misnamed as Date picker
  Fix #

Test URLs:

• Before: https://main--aem-boilerplate-forms--adobe-rnd.hlx.live/
• After: https://ue-bugs--aem-boilerplate-forms--adobe-rnd.hlx.live/

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Commits

• c713164 🔄 (latest)
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[TalmizAhmed]

Jira: https://jira.corp.adobe.com/browse/FORMS-19078
Authoring test: https://author-p133911-e1313554.adobeaemcloud.com/ui#/@formsinternal01/aem/universal-editor/canvas/author-p133911-e1313554.adobeaemcloud.com/content/forms/af/bugsfinding.html?ref=ue-bugs