Add support for active call item rendering in timeline (#5775)

* feat(timeline): Add support for active call item rendering in timeline

* Update active call as per design (show raw count of members)

* fixup project files

* revert unexpected generated mocks change

* code review

* Record preview snapshots

* revert changes on project.yml

* post rebase fix

PreviewTests/Sources/GeneratedPreviewTests.swift

@@ -11,6 +11,13 @@ extension PreviewTests {
 
     // MARK: - PreviewProvider
 
+    @Test
+    func activeCallTimelineItemView() async throws {
+        for (index, preview) in ActiveCallTimelineItemView_Previews._allPreviews.enumerated() {
+            try await assertSnapshots(matching: preview, step: index)
+        }
+    }
+
     @Test
     func advancedSettingsScreen() async throws {
         for (index, preview) in AdvancedSettingsScreen_Previews._allPreviews.enumerated() {