Fix bug where marquee text stopped scrolling.

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

@@ -20,6 +20,7 @@
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:ellipsize="marquee"
+        android:marqueeRepeatLimit="marquee_forever"
         android:singleLine="true"
         android:textAppearance="@style/Signal.Text.Body"
         app:layout_constraintStart_toEndOf="@+id/image_container"