Fix floating SnackBar is not centered when RTL and Material 2 #147861
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Description
This PR fixes floating
SnackBarpositioning when the text direction is RTL and the theme uses Material 2.In #140215, I fixed the
SnackBarposition for M3/RTL, but while doing so I broke the positioning for M2/RTL... Unfortunately, there was no existing test for this case.The solution is to not rely on
TextDirectionto compute theSnackBarposition: theSnackBaris centered in both cases so the text direction has no impact on its positioning (it had some impact in theSnackBarcontent, but this is managed correctly).Related Issue
Fixes #147838.
Tests
Adds 1 test.