Leave the macOS toolbars to the sidebar's account switcher

Yattee/Views/Home/HistoryListView.swift

@@ -331,11 +331,15 @@ struct HistoryListView: View {
                 ToolbarSpacer(.flexible, placement: .primaryAction)
             }
             #endif
+            // No switcher on macOS: the sidebar row is the one persistent
+            // switcher surface there.
+            #if !os(macOS)
             if DataContextSwitcherVisibility.showsPickers(in: appEnvironment) {
                 ToolbarItem(placement: viewOptionsPlacement) {
                     DataContextSwitcherMenu()
                 }
             }
+            #endif
             // View options button (always visible)
             ToolbarItem(placement: viewOptionsPlacement) {
                 Button {

Yattee/Views/Home/HomeView.swift

@@ -147,17 +147,6 @@ struct HomeView: View {
         appEnvironment?.settingsManager.listStyle ?? .inset
     }
 
-    #if !os(tvOS)
-    /// Same edge the switcher sits on in Subscriptions/History/Playlists:
-    /// leading on macOS, trailing elsewhere.
-    private var switcherPlacement: ToolbarItemPlacement {
-        #if os(macOS)
-        .navigation
-        #else
-        .primaryAction
-        #endif
-    }
-    #endif
 
     var body: some View {
         // Split from `chrome` so the modifier chain stays within what the
@@ -177,9 +166,11 @@ struct HomeView: View {
         .toolbarTitleDisplayMode(.inlineLarge)
         #endif
         .toolbar {
-            #if !os(tvOS)
+            // No switcher on macOS: the sidebar row is the one persistent
+            // switcher surface there.
+            #if !os(tvOS) && !os(macOS)
             if DataContextSwitcherVisibility.showsPickers(in: appEnvironment) {
-                ToolbarItem(placement: switcherPlacement) {
+                ToolbarItem(placement: .primaryAction) {
                     DataContextSwitcherMenu()
                 }
             }

Yattee/Views/Home/PlaylistsListView.swift

@@ -229,11 +229,15 @@ struct PlaylistsListView: View {
                 ToolbarSpacer(.flexible, placement: .primaryAction)
             }
             #endif
+            // No switcher on macOS: the sidebar row is the one persistent
+            // switcher surface there.
+            #if !os(macOS)
             if DataContextSwitcherVisibility.showsPickers(in: appEnvironment) {
                 ToolbarItem(placement: viewOptionsPlacement) {
                     DataContextSwitcherMenu()
                 }
             }
+            #endif
             ToolbarItem(placement: viewOptionsPlacement) {
                 Button {
                     showViewOptions = true

Yattee/Views/Subscriptions/SubscriptionsView.swift

@@ -492,11 +492,15 @@ struct SubscriptionsView: View {
                 .toolbarTitleDisplayMode(.inlineLarge)
                 #endif
                 .toolbar {
+                    // No switcher on macOS: the sidebar row is the one persistent
+                    // switcher surface there.
+                    #if !os(macOS)
                     if DataContextSwitcherVisibility.showsPickers(in: appEnvironment) {
                         ToolbarItem(placement: viewOptionsPlacement) {
                             DataContextSwitcherMenu()
                         }
                     }
+                    #endif
                     ToolbarItem(placement: viewOptionsPlacement) {
                         Button {
                             showViewOptions = true