Fix chat message file transfer status when leaving & going back into conversation

app/src/main/java/org/linphone/ui/main/chat/model/MessageModel.kt

@@ -247,8 +247,7 @@ class MessageModel
         ) {
             val percent = ((offset * 100.0) / total).toInt() // Conversion from int to double and back to int is required
 
-            val model = transferringFileModel
-            if (model == null) {
+            if (transferringFileModel == null) {
                 Log.w("$TAG A file is being uploaded/downloaded but no transferringFileModel set!")
                 val found = filesList.value.orEmpty().find {
                     it.fileName == content.name
@@ -262,7 +261,7 @@ class MessageModel
                     )
                 }
             }
-            model?.updateTransferProgress(percent)
+            transferringFileModel?.updateTransferProgress(percent)
         }
 
         @WorkerThread

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

@@ -71,6 +71,7 @@
             android:layout_height="0dp"
             android:visibility="@{viewModel.videoUpdateInProgress ? View.VISIBLE : View.GONE}"
             android:indeterminate="true"
+            app:indicatorColor="?attr/color_main1_500"
             app:layout_constraintTop_toTopOf="@id/toggle_video"
             app:layout_constraintBottom_toBottomOf="@id/toggle_video"
             app:layout_constraintStart_toStartOf="@id/toggle_video"