More refactoring

Cleanups, move classes to sane locations, etc.

app/src/main/java/com/topjohnwu/magisk/databinding/RecyclerViewItems.kt

@@ -3,6 +3,7 @@ package com.topjohnwu.magisk.databinding
 import androidx.annotation.CallSuper
 import androidx.databinding.PropertyChangeRegistry
 import androidx.databinding.ViewDataBinding
+import androidx.recyclerview.widget.RecyclerView
 import com.topjohnwu.magisk.BR
 import com.topjohnwu.magisk.utils.DiffObservableList
 import com.topjohnwu.magisk.utils.ObservableHost
@@ -52,3 +53,13 @@ abstract class ComparableRvItem<in T> : RvItem() {
 abstract class ObservableItem<T> : ComparableRvItem<T>(), ObservableHost {
     override var callbacks: PropertyChangeRegistry? = null
 }
+
+/**
+ * This item addresses issues where enclosing recycler has to be invalidated or generally
+ * manipulated with. This shouldn't be however necessary for 99.9% of use-cases. Refrain from using
+ * this item as it provides virtually no additional functionality. Stick with ComparableRvItem.
+ * */
+
+interface LenientRvItem {
+    fun onBindingBound(binding: ViewDataBinding, recyclerView: RecyclerView)
+}

app/src/main/java/com/topjohnwu/magisk/databinding/RvBindingAdapter.kt

@@ -2,7 +2,6 @@ package com.topjohnwu.magisk.databinding
 
 import androidx.databinding.ViewDataBinding
 import androidx.recyclerview.widget.RecyclerView
-import com.topjohnwu.magisk.model.entity.recycler.LenientRvItem
 import me.tatarka.bindingcollectionadapter2.BindingRecyclerViewAdapter
 
 class RvBindingAdapter<T : RvItem> : BindingRecyclerViewAdapter<T>() {
@@ -19,7 +18,7 @@ class RvBindingAdapter<T : RvItem> : BindingRecyclerViewAdapter<T>() {
         super.onBindBinding(binding, variableId, layoutRes, position, item)
 
         when (item) {
-            is LenientRvItem<*> -> {
+            is LenientRvItem -> {
                 val recycler = recyclerView ?: return
                 item.onBindingBound(binding)
                 item.onBindingBound(binding, recycler)