Fix RAT profile continue button padding (COMMUNITY) (#3308)

* Fix padding of RAT profile continue button

* Enhance scrolling behavior of RAT profile screen

Co-authored-by: Matthias Urhahn <matthias.urhahn@sap.com>
Co-authored-by: Mohamed Metwalli <mohamed.metwalli@sap.com>

Corona-Warn-App/src/main/res/layout/rat_profile_qr_code_fragment.xml

@@ -12,9 +12,8 @@
         android:id="@+id/coordinator_layout"
         android:layout_width="0dp"
         android:layout_height="0dp"
-        android:layout_marginBottom="12dp"
         android:nestedScrollingEnabled="true"
-        app:layout_constraintBottom_toTopOf="@id/next_button"
+        app:layout_constraintBottom_toTopOf="@id/guideline_action"
         app:layout_constraintEnd_toEndOf="parent"
         app:layout_constraintStart_toStartOf="parent"
         app:layout_constraintTop_toTopOf="parent"
@@ -94,6 +93,8 @@
             android:id="@+id/nested_scroll_view"
             android:layout_width="match_parent"
             android:layout_height="match_parent"
+            android:paddingBottom="12dp"
+            android:clipToPadding="false"
             app:layout_behavior="@string/appbar_scrolling_view_behavior">
 
             <androidx.constraintlayout.widget.ConstraintLayout
@@ -190,10 +191,17 @@
         android:layout_height="wrap_content"
         android:layout_marginStart="@dimen/spacing_normal"
         android:layout_marginEnd="@dimen/spacing_normal"
-        android:layout_marginBottom="8dp"
         android:text="@string/rat_qr_code_profile_next_button"
         app:layout_constraintBottom_toBottomOf="parent"
         app:layout_constraintEnd_toEndOf="parent"
-        app:layout_constraintStart_toStartOf="parent" />
+        app:layout_constraintStart_toStartOf="parent"
+        app:layout_constraintTop_toBottomOf="@id/guideline_action"/>
+
+    <androidx.constraintlayout.widget.Guideline
+        android:id="@+id/guideline_action"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:orientation="horizontal"
+        app:layout_constraintGuide_end="@dimen/guideline_action" />
 
 </androidx.constraintlayout.widget.ConstraintLayout>
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