fix exception on linux
MODIFY
WalletWasabi.Gui/ManagedDialogs/ManagedFileChooser.xaml
WalletWasabi.Gui/ManagedDialogs/ManagedFileChooser.xaml
<Grid DockPanel.Dock="Top" Margin="15 0 0 0">
<Grid.ColumnDefinitions>
<ColumnDefinition Width="20" SharedSizeGroup="Icon" />
- <ColumnDefinition SharedSizeGroup="Splitter" />
+ <ColumnDefinition Width="16" MinWidth="16" SharedSizeGroup="Splitter" />
<ColumnDefinition Width="500" SharedSizeGroup="Name" />
<ColumnDefinition SharedSizeGroup="Splitter" />
<ColumnDefinition Width="200" SharedSizeGroup="Modified" />

fix exception on linux