ExpansionPanel in content projection in modal closes after first open #17177
Labels
animation
This issue is related to Angular animations or CSS animations
area: material/dialog
area: material/expansion
P4
A relatively minor issue that is not relevant to core functions
Reproduction
Use StackBlitz to reproduce your issue: https://stackblitz.com/edit/angular-pjv1un
Steps to reproduce:
Expected Behavior
Expansion panel is opened
Actual Behavior
Expansion panel is closed(it has correct class, but style visibility: hidden, height: 0)
Environment
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