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>

ElementX/Sources/Generated/Strings.swift

@@ -110,6 +110,8 @@ public enum L10n {
   public static var actionRemove: String { return L10n.tr("Localizable", "action_remove") }
   /// Reply
   public static var actionReply: String { return L10n.tr("Localizable", "action_reply") }
+  /// Reply in thread
+  public static var actionReplyInThread: String { return L10n.tr("Localizable", "action_reply_in_thread") }
   /// Report bug
   public static var actionReportBug: String { return L10n.tr("Localizable", "action_report_bug") }
   /// Report Content
@@ -288,6 +290,8 @@ public enum L10n {
   public static var commonText: String { return L10n.tr("Localizable", "common_text") }
   /// Third-party notices
   public static var commonThirdPartyNotices: String { return L10n.tr("Localizable", "common_third_party_notices") }
+  /// Thread
+  public static var commonThread: String { return L10n.tr("Localizable", "common_thread") }
   /// Topic
   public static var commonTopic: String { return L10n.tr("Localizable", "common_topic") }
   /// What is this room about?