Room list notifications tweaks (#6106)

We decided against changing how unread activity is rendered in the room list, so the experiment and its developer option are no longer needed.
we have also added a notification settings entry for hiding the room list gray dots.

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

@@ -15,7 +15,6 @@ struct HomeScreenRoomCell: View {
     @Environment(\.redactionReasons) private var redactionReasons
     
     let room: HomeScreenRoom
-    var roomListActivityVisibility: RoomListActivityVisibility = .current
     let isSelected: Bool
     let mediaProvider: MediaProviderProtocol!
     let action: (HomeScreenViewAction) -> Void
@@ -82,7 +81,7 @@ struct HomeScreenRoomCell: View {
                     Text(String(statusEmoji))
                 }
             }
-            .font(headerFont)
+            .font(.compound.bodyLGSemibold)
             .foregroundColor(.compound.textPrimary)
             .frame(maxWidth: .infinity, alignment: .leading)
             
@@ -94,17 +93,6 @@ struct HomeScreenRoomCell: View {
         }
     }
     
-    private var headerFont: Font {
-        switch roomListActivityVisibility {
-        case .current:
-            .compound.bodyLGSemibold
-        case .show:
-            room.hasUnreads ? .compound.bodyLGSemibold : .compound.bodyLG
-        case .hide:
-            room.isHighlighted ? .compound.bodyLGSemibold : .compound.bodyLG
-        }
-    }
-    
     private var footer: some View {
         HStack(alignment: .firstTextBaseline, spacing: 0) {
             ZStack(alignment: .topLeading) {
@@ -190,21 +178,10 @@ struct HomeScreenRoomCell: View {
     private var lastMessage: some View {
         if let displayedLastMessage = room.displayedLastMessage {
             Text(displayedLastMessage)
-                .font(lastMessageFont)
+                .font(.compound.bodyMD)
                 .lastMessageFormatting(hasFailed: room.lastMessageState == .failed)
         }
     }
-    
-    private var lastMessageFont: Font {
-        switch roomListActivityVisibility {
-        case .current:
-            .compound.bodyMD
-        case .show:
-            room.hasUnreads ? .compound.bodyMDSemibold : .compound.bodyMD
-        case .hide:
-            room.isHighlighted ? .compound.bodyMDSemibold : .compound.bodyMD
-        }
-    }
 }
 
 struct HomeScreenRoomCellButtonStyle: ButtonStyle {