SwiftUI toolbar text size changes on appear – Ios swift

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I am trying to make an app based on Notes app.

I set my iPhone text size to the smallest, and when the view changes, the texts on new view’s toolbar gets bigger.

Code :

.toolbar {
        ToolbarItem(placement: .navigationBarTrailing) {
            HStack {
                Button {
                    parentList.starred.toggle()
                } label: {
                    Label("Toggle Favorite", systemImage: parentList.starred ? "star.fill" : "star")
                        .labelStyle(.iconOnly)
                        .foregroundColor(parentList.starred ? .yellow : .gray)
                }
                
                Button(action: editList) {
                    Label("Edit List", systemImage: "ellipsis.circle")
                }
                
                EditButton()
            }
        }
        
        ToolbarItem(placement: .bottomBar) {
            Spacer()
        }
        
        ToolbarItem(placement: .status) {
            if parentList.childvocabularies!.count == nil {
                Text("")
                    .foregroundColor(.secondary)
                    .font(.caption)
            }
            else if parentList.childvocabularies!.count == 1{
                Text("(parentList.childvocabularies!.count) Vocabulary")
                    .foregroundColor(.secondary)
                    .font(.caption)
            } else {
                Text("(parentList.childvocabularies!.count) Vocabularies")
                    .foregroundColor(.secondary)
                    .font(.caption)
            }
        }
        
        ToolbarItem(placement: .bottomBar) {
            Button(action: addItem) {
                Label("Add Item", systemImage: "plus")
            }
        }
    }

Is this a bug?