fix(material/form-field): hiding a label after it has been shown leaves a blank space #29461
+126
−3
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There is a method _shouldLabelFloat that determines if the label should float. A check was added
_hasFloatingLabel
to see if a floating label exists before deciding whether the label should float. Examples were added at the end of the input-demo file, where you can see inputs without labels (both fixed and dynamic). Removing the solution also allows you to simulate the described error. Unit tests were added to validate the solution.Fixes #29401