ux: max height of group list in Move Repository Node popup (#2502)

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Views/MoveRepositoryNode.axaml

@@ -27,7 +27,7 @@
              Margin="4,0"
              Padding="4"
              MinHeight="28"
-             MaxHeight="100"
+             MaxHeight="400"
              Focusable="True"
              BorderThickness="1"
              BorderBrush="{DynamicResource Brush.Border2}"