[fenix] For https://github.com/mozilla-mobile/fenix/issues/10188: Fix layout constraints.

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

@@ -33,6 +33,7 @@
             android:textColor="@color/primary_text_dark_theme"
             android:textSize="16sp"
             app:fontFamily="@font/metropolis_medium"
+            app:layout_constraintBottom_toTopOf="@id/cfr_pos_button"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toTopOf="parent" />
@@ -50,7 +51,7 @@
             android:textAllCaps="false"
             android:textColor="@color/above_dark_theme"
             android:textSize="16sp"
-            app:layout_constraintBottom_toBottomOf="parent"
+            app:layout_constraintBottom_toTopOf="@id/cfr_neg_button"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/cfr_message" />
@@ -65,6 +66,7 @@
             android:textAllCaps="false"
             android:textColor="@color/white_color"
             android:textSize="16sp"
+            app:layout_constraintBottom_toBottomOf="parent"
             app:layout_constraintEnd_toEndOf="parent"
             app:layout_constraintStart_toStartOf="parent"
             app:layout_constraintTop_toBottomOf="@id/cfr_pos_button" />