[Badging] Fix NPE in BadgeState

Resolves #2846
Resolves #2848

GIT_ORIGIN_REV_ID=296c3ed2e05dd3e9f8c1cbaa71e7227cec9eec0c
PiperOrigin-RevId: 463482703

Author: nschnettler

lib/java/com/google/android/material/badge/BadgeState.java

@@ -163,7 +163,7 @@ public final class BadgeState {
             : storedState.horizontalOffsetWithoutText;
 
     currentState.verticalOffsetWithoutText =
-        storedState.horizontalOffsetWithoutText == null
+        storedState.verticalOffsetWithoutText == null
             ? a.getDimensionPixelOffset(R.styleable.Badge_verticalOffset, 0)
             : storedState.verticalOffsetWithoutText;