Thread Decorator (#1686)

* just added the isThreaded property to message based events

* done but I should add a bunch of tests for images and videos and locations

* handling for image and videos, but locations might need to be double checked

* code improvement

* better tests and removed code that is not used, we need to fix first the appearence of replies

* bubble style is solved, we now need plain style

* also added plain style

* better handling for bubble style

* rounded corner only for bubbles in location

* fix for wrong aspect ratio in replies

* all changes done

* better testing

* swift format

* changelog

* PR comments and rebase.

* Simplify corner radius on location timeline view.

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Co-authored-by: Doug <douglase@element.io>

UnitTests/Sources/RoomScreenViewModelTests.swift

@@ -511,6 +511,7 @@ private extension TextRoomTimelineItem {
                   timestamp: "10:47 am",
                   isOutgoing: sender == "bob",
                   isEditable: sender == "bob",
+                  isThreaded: false,
                   sender: .init(id: "@\(sender):server.com", displayName: sender),
                   content: .init(body: text),
                   properties: RoomTimelineItemProperties(reactions: reactions))
@@ -529,6 +530,7 @@ private extension TextRoomTimelineItem {
                   timestamp: "",
                   isOutgoing: false,
                   isEditable: false,
+                  isThreaded: false,
                   sender: .init(id: ""),
                   content: .init(body: "Hello, World!"))
     }