App polish part 2 (#1118)

- Fix sheet backgrounds in dark mode.
- Fix background colours for reaction buttons.
- Reply view layout.
- Update separator colours.
- Don't show sender name/avatar in DMs.
- Fix inconsistent line heights with formatted body text.
- Use plain text for reply
- Increase tappable size of collapsed state changes button.
- Blockquote layout and text colour.
- Tap to expand the topic in room details.
- Change the topic and security font size in room details.
- Add cancel button when inviting someone to an existing room.
- Reword Add Friends to Add People in start chat screen.
- Update compound.

ElementX.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -11,9 +11,9 @@
     {
       "identity" : "compound-ios",
       "kind" : "remoteSourceControl",
-      "location" : "https://github.com/vector-im/compound-ios",
+      "location" : "https://github.com/vector-im/compound-ios.git",
       "state" : {
-        "revision" : "d59c317362beba940baa43d6aacdd357e208048d"
+        "revision" : "e8b35fdd8c4008079dfce203e63bf7a05582d7b9"
       }
     },
     {
@@ -181,7 +181,7 @@
     {
       "identity" : "swift-snapshot-testing",
       "kind" : "remoteSourceControl",
-      "location" : "https://github.com/pointfreeco/swift-snapshot-testing.git",
+      "location" : "https://github.com/pointfreeco/swift-snapshot-testing",
       "state" : {
         "revision" : "cef5b3f6f11781dd4591bdd1dd0a3d22bd609334",
         "version" : "1.11.0"