magit-log-refresh: No longer exit transient after any margin command

It's unclear why I didn't already do that in [1: bf0ef38], for the
remaining two margin commands.  The same reasoning used for the other
two also applies to these two.

1: 2022-06-24 bf0ef38
   No longer exit transient while toggling margin or cycling styles

lisp/magit-log.el

@@ -533,10 +533,10 @@ commits before and half after."
     ("s" "buffer and set defaults"  transient-set-and-exit)
     ("w" "buffer and save defaults" transient-save-and-exit)]
    ["Margin"
-    ("L" "toggle visibility"        magit-toggle-margin      :transient t)
-    ("l" "cycle style"              magit-cycle-margin-style :transient t)
-    ("d" "toggle details"           magit-toggle-margin-details)
-    ("x" "toggle shortstat"         magit-toggle-log-margin-style)]
+    ("L" "toggle visibility"        magit-toggle-margin           :transient t)
+    ("l" "cycle style"              magit-cycle-margin-style      :transient t)
+    ("d" "toggle details"           magit-toggle-margin-details   :transient t)
+    ("x" "toggle shortstat"         magit-toggle-log-margin-style :transient t)]
    [:if-mode magit-log-mode
     :description "Toggle"
     ("b" "buffer lock"              magit-toggle-buffer-lock)]]