fix: use emoji circles in priority picker for visible colors in menu style

MindDump/Models/Priority.swift

@@ -13,6 +13,14 @@ enum Priority: Int, CaseIterable, Codable {
         }
     }
 
+    var emoji: String {
+        switch self {
+        case .low: "🟢"
+        case .medium: "🟡"
+        case .high: "🔴"
+        }
+    }
+
     var color: Color {
         switch self {
         case .low: .green

MindDump/Views/TodoEditorView.swift

@@ -57,8 +57,7 @@ struct TodoEditorView: View {
                     Section {
                         Picker("Priorität", selection: $priority) {
                             ForEach(Priority.allCases, id: \.self) { p in
-                                Label(p.label, systemImage: "circle.fill")
+                                Text("\(p.emoji) \(p.label)")
-                                    .foregroundStyle(p.color)
                                     .tag(p)
                             }
                         }

MindDump/Views/TodoRowView.swift

@@ -41,7 +41,7 @@ struct TodoRowView: View {
 
             if let priority = item.priority {
                 Image(systemName: "circle.fill")
-                    .font(.system(size: 8))
+                    .font(.system(size: 10))
                     .foregroundStyle(priority.color)
             }