Setup Sentry instrumentation on top of the existing Signposter (#2985)

* Move Sentry setup outside of the BugReportService

* Setup Sentry SwiftUI tracing for the homeScreen and roomScreen roots

* Setup Sentry instrumentation on top of the existing Signposter

* Various tweaks

ElementX/Sources/Screens/HomeScreen/View/HomeScreen.swift

@@ -75,6 +75,7 @@ struct HomeScreen: View {
                     gradientView.alpha = 1
                 }
             }
+            .sentryTrace("\(Self.self)")
     }
     
     // MARK: - Private

ElementX/Sources/Screens/HomeScreen/View/HomeScreenContent.swift

@@ -15,6 +15,7 @@
 //
 
 import Compound
+import SentrySwiftUI
 import SwiftUI
 
 struct HomeScreenContent: View {
@@ -29,6 +30,7 @@ struct HomeScreenContent: View {
             migrationView
         default:
             roomList
+                .sentryTrace("\(Self.self)")
         }
     }