Added loading indicator while file picking

lib/screen/pages/talk/chatView.dart

@@ -1,6 +1,7 @@
 
 import 'package:flutter/material.dart';
 import 'package:jiffy/jiffy.dart';
+import 'package:loader_overlay/loader_overlay.dart';
 import 'package:marianum_mobile/api/marianumcloud/talk/chat/getChatResponse.dart';
 import 'package:marianum_mobile/api/marianumcloud/talk/room/getRoomResponse.dart';
 import 'package:marianum_mobile/data/chatList/chatProps.dart';
@@ -92,17 +93,19 @@ class _ChatViewState extends State<ChatView> {
                 colorFilter: ColorFilter.linearToSrgbGamma()
               )
             ),
-            child: data.primaryLoading() ? const Center(child: CircularProgressIndicator()) : Column(
-              children: [
-                Expanded(
-                  child: ListView(
-                    reverse: true,
-                    controller: _listController,
-                    children: messages.reversed.toList(),
+            child: LoaderOverlay(
+              child: data.primaryLoading() ? const Center(child: CircularProgressIndicator()) : Column(
+                children: [
+                  Expanded(
+                    child: ListView(
+                      reverse: true,
+                      controller: _listController,
+                      children: messages.reversed.toList(),
+                    ),
                   ),
-                ),
-                ChatTextfield(widget.room.token),
-              ],
+                  ChatTextfield(widget.room.token),
+                ],
+              ),
             )
           ),
         );