update text to use user chosen text color

Shared/views/SmallRollUpHeaderView.swift

@@ -10,6 +10,8 @@ import SwiftUI
 struct SmallRollUpHeaderView: View {
     @Binding var viewType: MainSwitchableViewType
     @AppStorage(UserDefaultsStore.Keys.moodTint.rawValue, store: GroupUserDefaults.groupDefaults) private var moodTint: MoodTints = .Default
+    
+    @AppStorage(UserDefaultsStore.Keys.textColor.rawValue, store: GroupUserDefaults.groupDefaults) private var textColor: Color = .black
 
     let entries: [MoodEntry]
     private var moodMetrics = [MoodMetrics]()
@@ -63,7 +65,7 @@ struct SmallRollUpHeaderView: View {
                                 .fontWeight(.bold)
                                 .lineLimit(1)
                                 .clipShape(ContainerRelativeShape())
-                                .foregroundColor(Color(UIColor.white))
+                                .foregroundColor(textColor)
                                 .minimumScaleFactor(0.7)
                             )
                 }