update the displayed list, when coming back

qml/ttrss/FeedItem.qml

@@ -74,6 +74,10 @@ Page {
         showFeedItem();
     }
 
+    onVisibleChanged: {
+        showFeedItem();
+    }
+
     Component.onCompleted: {
         showFeedItem();
     }

qml/ttrss/FeedItems.qml

@@ -162,6 +162,10 @@ Page {
         updateFeedItems();
     }
 
+    onVisibleChanged: {
+        showFeedItems();
+    }
+
     onStatusChanged: {
         var ttrss = rootWindow.getTTRSS();
         if(status === PageStatus.Deactivating)

qml/ttrss/Feeds.qml

@@ -138,6 +138,10 @@ Page {
         updateFeeds();
     }
 
+    onVisibleChanged: {
+        showFeeds();
+    }
+
     Component.onCompleted: {
         showFeeds();
         updateFeeds();