[MaterialButton] Update corner radius behavior to override StateListShapeAppearance if set

PiperOrigin-RevId: 784640767

Author: imhappi

lib/java/com/google/android/material/button/MaterialButton.java

@@ -315,7 +315,6 @@ public MaterialButton(@NonNull Context context, @Nullable AttributeSet attrs, in
 
     if (shapeAppearance instanceof StateListShapeAppearanceModel) {
       materialButtonHelper.setCornerSpringForce(createSpringForce());
-      materialButtonHelper.setShapeAppearance(shapeAppearance);
     }
     setOpticalCenterEnabled(opticalCenterEnabled);