Fixes to add tag group view

IceCubesApp/App/Tabs/Timeline/AddTagGroupView.swift

@@ -17,6 +17,7 @@ struct AddTagGroupView: View {
   @State private var sfSymbolName: String = ""
   @State private var tags: [String] = []
   @State private var newTag: String = ""
+  @State private var popupTagsPresented = false
 
   private var canSave: Bool {
     !title.isEmpty &&
@@ -34,6 +35,7 @@ struct AddTagGroupView: View {
 
   var body: some View {
     NavigationStack {
+      ZStack(alignment: .bottom) {
         Form {
           metadataSection
           keywordsSection
@@ -53,12 +55,11 @@ struct AddTagGroupView: View {
               .disabled(!canSave)
           }
         }
+        symbolsSuggestionView
+      }
       .onAppear {
         focusedField = .title
       }
-      .overlay(alignment: .bottom) {
-        symbolsSuggestionView
-      }
     }
   }
 
@@ -86,10 +87,9 @@ struct AddTagGroupView: View {
         Image(systemName: sfSymbolName)
       }
     }
+    .listRowBackground(theme.primaryBackgroundColor)
   }
 
-  @State private var popupTagsPresented = false
-
   private var keywordsSection: some View {
     Section("add-tag-groups.edit.tags") {
       ForEach(tags, id: \.self) { tag in