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/Authentication/LoginScreen/View/LoginScreen.swift

@@ -52,7 +52,7 @@ struct LoginScreen: View {
     /// The header containing the title and icon.
     var header: some View {
         VStack(spacing: 8) {
-            HeroImage(image: Image(systemName: "lock.fill"))
+            HeroImage(icon: \.lockSolid)
                 .padding(.bottom, 8)
             
             Text(L10n.screenLoginTitleWithHomeserver(context.viewState.homeserver.address))

ElementX/Sources/Screens/Authentication/ServerConfirmationScreen/View/ServerConfirmationScreen.swift

@@ -35,7 +35,8 @@ struct ServerConfirmationScreen: View {
     /// The main content of the view to be shown in a scroll view.
     var header: some View {
         VStack(spacing: 8) {
-            HeroImage(image: Image(systemName: "person.crop.circle.fill"))
+            Image(systemSymbol: .personCropCircleFill)
+                .heroImage()
                 .padding(.bottom, 8)
             
             Text(context.viewState.title)

ElementX/Sources/Screens/Authentication/ServerSelectionScreen/View/ServerSelectionScreen.swift

@@ -40,7 +40,8 @@ struct ServerSelectionScreen: View {
     /// The title, message and icon at the top of the screen.
     var header: some View {
         VStack(spacing: 8) {
-            HeroImage(image: Image(asset: Asset.Images.serverSelectionIcon), insets: 19)
+            Image(asset: Asset.Images.serverSelectionIcon)
+                .heroImage(insets: 19)
                 .padding(.bottom, 8)
             
             Text(L10n.screenChangeServerTitle)