Set a maximum width on member profile avatar

TODO.md

@@ -1,6 +1,6 @@
 # TODO
 
-- profile max avatar width
+- account can't see another's status message once it goes offline
 - retrieve last seen time for offline members on hover/in profile
 - auto-away after a configurable idle time 
 - status based on process detection

src/gui/Pages/Chat/RoomPane/MemberView/MemberProfile.qml

@@ -55,6 +55,7 @@ HListView {
 
             Layout.alignment: Qt.AlignHCenter
             Layout.fillWidth: true
+            Layout.maximumWidth: 256 * theme.uiScale
             Layout.preferredHeight: width
             Layout.topMargin: theme.spacing