Desktop: trim a long session tab label instead of letting it push the + off the strip

src/DodoSSH.Client.App/Views/SessionTabRow.axaml

@@ -86,7 +86,14 @@
                            Classes.connecting="{Binding IsConnecting}"
                            Classes.dropped="{Binding IsDropped}"
                            VerticalAlignment="Center" />
-                  <TextBlock Text="{Binding Label}" VerticalAlignment="Center" />
+                  <!--
+                    Bounded. A label is whatever the host was called, or the address typed into the palette,
+                    and one long one used to push every tab after it and the "+" past the strip's edge. The
+                    whole of it is on the label's own tooltip; the tab's is the address, as before.
+                  -->
+                  <TextBlock Text="{Binding Label}" VerticalAlignment="Center"
+                             MaxWidth="200" TextTrimming="CharacterEllipsis"
+                             ToolTip.Tip="{Binding Label}" />
 
                   <Button Classes="flat close inline" Width="16" Height="16" Padding="0"
                           VerticalAlignment="Center"