fix(tabs): animation running after initialization #12549
Merged
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Due to fix(tabs): reposition tab body on direction change #12229, the selected tab of a tab-group will incorrectly animate after initialization. This happens because the
MatTab
component by default assigns theorigin
tonull
.Right now the check does only handle
undefined
properly.See: https://stackblitz.com/edit/angular-zwcr1a
Fixes #12455