Update compound and remove all of the temporary icons (#2419)

* Update compound and fix breaking changes.

* Replace a lot of temporary icon assets with Compound versions.

* Replace temporary composer icon assets with Compound versions.

* Remove old icon asset from EI.

* Use Compound icons where possible for hero images.

* Snapshots

ElementX/Sources/Screens/AppLock/AppLockSetupPINScreen/View/AppLockSetupPINScreen.swift

@@ -60,8 +60,7 @@ struct AppLockSetupPINScreen: View {
     
     var header: some View {
         VStack(spacing: 8) {
-            HeroImage(image: Image(systemSymbol: .lock))
-                .symbolVariant(.fill)
+            HeroImage(icon: \.lockSolid)
                 .padding(.bottom, 8)
             
             Text(context.viewState.title)