Fix AppBar lift state when snapped (#6103)

status bar foreground alpha is now handled separately

app/src/main/java/com/google/android/material/appbar/HideToolbarOnScrollBehavior.kt

@@ -5,12 +5,10 @@ import android.view.View
 import android.view.animation.DecelerateInterpolator
 import androidx.appcompat.widget.Toolbar
 import androidx.coordinatorlayout.widget.CoordinatorLayout
-import androidx.core.animation.doOnEnd
 import androidx.core.view.ViewCompat
 import androidx.core.view.marginTop
 import eu.kanade.tachiyomi.util.system.animatorDurationScale
 import eu.kanade.tachiyomi.util.view.findChild
-import eu.kanade.tachiyomi.widget.ElevationAppBarLayout
 import kotlin.math.roundToLong
 
 /**
@@ -88,11 +86,6 @@ class HideToolbarOnScrollBehavior : AppBarLayout.Behavior() {
             addUpdateListener {
                 setHeaderTopBottomOffset(coordinatorLayout, child, it.animatedValue as Int)
             }
-            doOnEnd {
-                if ((child as? ElevationAppBarLayout)?.isTransparentWhenNotLifted == true) {
-                    child.isLifted = !isVisible
-                }
-            }
             setIntValues(current, target)
             start()
         }

app/src/main/java/com/google/android/material/shape/MaterialShapeDrawableFix.kt

@@ -0,0 +1,10 @@
+package com.google.android.material.shape
+
+/**
+ * Use this instead of [MaterialShapeDrawable.getAlpha].
+ *
+ * https://github.com/material-components/material-components-android/issues/1796
+ */
+fun MaterialShapeDrawable.getStateAlpha(): Int {
+    return (constantState as? MaterialShapeDrawable.MaterialShapeDrawableState)?.alpha ?: alpha
+}