bug: ionic vue non tab button elements in ion-tab-bar causes errors

[liamdebeasi]

ion-tab-bar expects all children to be ion-tab-button, but it's possible for a child to be a comment or other element. Right now it errors out since it expects all children to have a tabs prop, but we should make it so it only considers elements that are tab buttons and have props.

More info: https://forum.ionicframework.com/t/commenting-out-ion-tab-button-causes-issues

[liamdebeasi]

Resolved via #22643.

[ionitron-bot]

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