Some Post-demo Cleanups (#200)

* Remove redundant string

* Use placeholder avatar on home screen

* Add initial home screen ui test

* Fix settings screen PR remarks

* Remove UIKit alert from home screen sign out

* Remove UIKit alert from soft logout clear all data

* Add reference screenshots for home screen UI tests

* Formatting fixes

* Add clearing room method to client proxy

* Clear room proxies on screen dismiss

* Fix retain cycle in room view model

* Do not go into authentication state immediately

* Define sizes for user and room avatars on different screens

* Use defined avatar sizes everywhere

* Disable image disk caching

* Rename rounded corner shape

* Fix text color of placeholder avatars

* Fix PR reviews on formatted body text

* Fix merge conflict

* Remove shouldShowSenderDetails everywhere and just use it from inGroupState

* Remove redundant linter disablings

* Fix PR remarks

* Rename media provider size parameter

ElementX/Sources/Screens/RoomScreen/View/Timeline/TextRoomTimelineView.swift

@@ -43,26 +43,22 @@ struct TextRoomTimelineView_Previews: PreviewProvider {
         VStack(alignment: .leading, spacing: 20.0) {
             TextRoomTimelineView(timelineItem: itemWith(text: "Short loin ground round tongue hamburger, fatback salami shoulder. Beef turkey sausage kielbasa strip steak. Alcatra capicola pig tail pancetta chislic.",
                                                         timestamp: "Now",
-                                                        shouldShowSenderDetails: true,
                                                         isOutgoing: false,
                                                         senderId: "Bob"))
 
             TextRoomTimelineView(timelineItem: itemWith(text: "Some other text",
                                                         timestamp: "Later",
-                                                        shouldShowSenderDetails: true,
                                                         isOutgoing: true,
                                                         senderId: "Anne"))
 
             TextRoomTimelineView(timelineItem: itemWith(text: "Short loin ground round tongue hamburger, fatback salami shoulder. Beef turkey sausage kielbasa strip steak. Alcatra capicola pig tail pancetta chislic.",
                                                         timestamp: "Now",
-                                                        shouldShowSenderDetails: true,
                                                         isOutgoing: false,
                                                         senderId: "Bob"))
                 .timelineStyle(.plain)
 
             TextRoomTimelineView(timelineItem: itemWith(text: "Some other text",
                                                         timestamp: "Later",
-                                                        shouldShowSenderDetails: true,
                                                         isOutgoing: true,
                                                         senderId: "Anne"))
                 .timelineStyle(.plain)
@@ -70,11 +66,10 @@ struct TextRoomTimelineView_Previews: PreviewProvider {
         .padding(.horizontal, 8)
     }
     
-    private static func itemWith(text: String, timestamp: String, shouldShowSenderDetails: Bool, isOutgoing: Bool, senderId: String) -> TextRoomTimelineItem {
+    private static func itemWith(text: String, timestamp: String, isOutgoing: Bool, senderId: String) -> TextRoomTimelineItem {
         TextRoomTimelineItem(id: UUID().uuidString,
                              text: text,
                              timestamp: timestamp,
-                             shouldShowSenderDetails: shouldShowSenderDetails,
                              inGroupState: .single,
                              isOutgoing: isOutgoing,
                              senderId: senderId)