Restyle the drawer, pin folders on a host, and say when it was last connected

tests/DodoSSH.Client.App.Layout.Tests/LayoutHarness.cs

@@ -40,9 +40,11 @@ internal static class LayoutHarness
     /// <remarks>
     /// This was <c>HostSidebarWidth</c> at 268, taken from a column definition on the hosts screen. The
     /// drawer states its own width instead — it is the only thing in its column and the column is
-    /// <c>Auto</c> — so the number lives on the control now, and this constant follows it.
+    /// <c>Auto</c> — so the number lives on the control now, and this constant follows it. It was 304 through
+    /// v4; v5 widened it to 320 for the ADDRESS field's own breathing room, and <c>App.axaml</c>'s
+    /// <c>Border.tile</c> narrowed to keep two columns fitting the grid beside it at the window's minimum.
     /// </remarks>
-    internal const double HostDrawerWidth = 304;
+    internal const double HostDrawerWidth = 320;
 
     /// <summary>The nav rail's fixed width, from <c>NavRail.axaml</c>.</summary>
     internal const double NavRailWidth = 190;