Hide token using password box

DiscordChatExporter.Gui/Views/Controls/RevealablePasswordBox.xaml

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+<UserControl
+    x:Class="DiscordChatExporter.Gui.Views.Controls.RevealablePasswordBox"
+    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
+    xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
+    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
+    xmlns:s="https://github.com/canton7/Stylet"
+    x:Name="Root"
+    mc:Ignorable="d">
+    <Grid>
+        <TextBox
+            materialDesign:TextFieldAssist.DecorationVisibility="Hidden"
+            BorderThickness="{Binding BorderThickness, ElementName=Root}"
+            Text="{Binding Password, ElementName=Root}"
+            Visibility="{Binding IsRevealed, ElementName=Root, Converter={x:Static s:BoolToVisibilityConverter.Instance}}" />
+        <PasswordBox
+            x:Name="PasswordBox"
+            materialDesign:TextFieldAssist.DecorationVisibility="Hidden"
+            BorderThickness="{Binding BorderThickness, ElementName=Root}"
+            PasswordChanged="PasswordBox_OnPasswordChanged"
+            Visibility="{Binding IsRevealed, ElementName=Root, Converter={x:Static s:BoolToVisibilityConverter.InverseInstance}}" />
+    </Grid>
+</UserControl>

DiscordChatExporter.Gui/Views/Controls/RevealablePasswordBox.xaml.cs

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+using System.Windows;
+
+namespace DiscordChatExporter.Gui.Views.Controls;
+
+public partial class RevealablePasswordBox
+{
+    public static readonly DependencyProperty PasswordProperty = DependencyProperty.Register(
+        nameof(Password),
+        typeof(string),
+        typeof(RevealablePasswordBox),
+        new FrameworkPropertyMetadata(
+            string.Empty,
+            FrameworkPropertyMetadataOptions.BindsTwoWayByDefault,
+            (sender, args) =>
+            {
+                var revealablePasswordBox = (RevealablePasswordBox)sender;
+                var password = (string)args.NewValue;
+
+                revealablePasswordBox.PasswordBox.Password = password;
+            }
+        )
+    );
+
+    public static readonly DependencyProperty IsRevealedProperty = DependencyProperty.Register(
+        nameof(IsRevealed),
+        typeof(bool),
+        typeof(RevealablePasswordBox),
+        new FrameworkPropertyMetadata(false, FrameworkPropertyMetadataOptions.None)
+    );
+
+    public string Password
+    {
+        get => (string)GetValue(PasswordProperty);
+        set => SetValue(PasswordProperty, value);
+    }
+
+    public bool IsRevealed
+    {
+        get => (bool)GetValue(IsRevealedProperty);
+        set => SetValue(IsRevealedProperty, value);
+    }
+
+    public RevealablePasswordBox()
+    {
+        InitializeComponent();
+    }
+
+    private void PasswordBox_OnPasswordChanged(object sender, RoutedEventArgs args) =>
+        Password = PasswordBox.Password;
+}