Reaction summary and flow layout for reactions (#1158)

* Add reaction summary view

* Add avatars and display names and flowlayout for reactions

- Add avatars to summary view
- Add display names to summary view
- Add flow layout to reaction buttons as per designs(long press on  scolling buttons is difficult to achieve so prioritised this).

* Add and use SwiftUI-Flow for reaction layout.

* Correct Swift-Flow inclusion via xcodegen

* Remove own FlowLayout implementation and Fix unit tests

* Improve naming and correct spacing on summary view as per design.

* Fix safe area insets on summary view bottom sheet

* Scroll to selected reaction in the case that it is offscreen when the sheet is displayed.

* Add more reactions to UITests to ensure the new flow layout is displayed(wraps on to second line).

* Fix snapshot image.

* Address review comments.

* Use onLongPressGesture for reactions also to fix double actions bug and for consistency.

* Respect RTL languages.

* Fix unit test.

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

@@ -142,6 +142,15 @@
         "version" : "1.0.0"
       }
     },
+    {
+      "identity" : "swift-argument-parser",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/apple/swift-argument-parser",
+      "state" : {
+        "revision" : "fee6933f37fde9a5e12a1e4aeaa93fe60116ff2a",
+        "version" : "1.2.2"
+      }
+    },
     {
       "identity" : "swift-case-paths",
       "kind" : "remoteSourceControl",
@@ -205,6 +214,15 @@
         "version" : "6.0.1"
       }
     },
+    {
+      "identity" : "swiftui-flow",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/tevelee/SwiftUI-Flow",
+      "state" : {
+        "revision" : "d592b610a92869b74ede8ee4c0435a29219be9d8",
+        "version" : "1.2.0"
+      }
+    },
     {
       "identity" : "swiftui-introspect",
       "kind" : "remoteSourceControl",