feat: 优化文本对话框显示

Author: SlimeNull

src/CurvaLauncher/Views/Dialogs/SimpleTextDialog.xaml

@@ -14,12 +14,16 @@
              Closing="UiWindow_Closing"
              PreviewKeyDown="UiWindow_PreviewKeyDown"
              Deactivated="UiWindow_Deactivated">
-    <TextBox Name="textBox" Margin="20"
-             VerticalAlignment="Center"
-             HorizontalAlignment="Center"
+    <TextBox Name="textBox"
+             Margin="20"
+             Padding="10"
+             VerticalAlignment="Stretch"
+             HorizontalAlignment="Stretch"
              VerticalContentAlignment="Center"
              HorizontalContentAlignment="Center"
-             BorderThickness="0" Background="Transparent" IsReadOnly="True"
+             BorderThickness="0"
+             IsReadOnly="True"
+             Background="Transparent"
              Foreground="{DynamicResource TextFillColorPrimaryBrush}"
              Text="{Binding RelativeSource={RelativeSource AncestorType=local:SimpleTextDialog},Path=Text,Mode=OneTime}"
              Style="{x:Null}"