ui: fix toolbar state not persisting

Fix an issue where the collapsing toolbar would not preserve it's state
when navigating.

Apparently you need to add an ID to a view to get it's state to be
restored. There is no warning for this at all. Android, everyone.

app/src/main/res/layout/fragment_home.xml

@@ -2,6 +2,7 @@
 <org.oxycblt.auxio.ui.EdgeCoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
     xmlns:tools="http://schemas.android.com/tools"
+    android:id="@+id/home_layout"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 

app/src/main/res/layout/fragment_search.xml

@@ -33,8 +33,8 @@
                     android:hint="@string/hint_search_library"
                     android:imeOptions="actionSearch|flagNoExtractUi"
                     android:inputType="textFilter"
-                    android:paddingStart="0dp"
-                    android:paddingEnd="0dp" />
+                    android:paddingStart="@dimen/spacing_tiny"
+                    android:paddingEnd="0dp"/>
 
             </com.google.android.material.textfield.TextInputLayout>