Fix UI layout issue on Android 15 (edge-to-edge mode)

Author: harissabil

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

@@ -4,6 +4,7 @@
     xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
     android:orientation="vertical"
     android:padding="16dp"
     tools:context="de.raphaelebner.roomdatabasebackup.sample.ActivityAddEditFruit">

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

@@ -5,6 +5,7 @@
     android:id="@+id/cl_main"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
+    android:fitsSystemWindows="true"
     android:paddingBottom="16dp"
     tools:ignore="HardcodedText"
     tools:context=".MainActivity">