jj: Move git_head display to end of single-log line

It was moving about the change dates too much and not super necessary
for information, so moved it further down the line.

vcs/jj/config/jj/config.toml

@@ -46,7 +46,6 @@ if(root,
         if(conflict, label("conflict", "conflict")),
         bookmarks,
         tags,
-        if(git_head, label("git_head", "git_head()")),
         if(description,
           description.first_line(),
           label(if(empty, "empty"), description_placeholder),
@@ -58,6 +57,7 @@ if(root,
         if(config("ui.show-cryptographic-signatures").as_boolean(),
           format_short_cryptographic_signature(signature)),
         if(empty, label("empty", "(empty)")),
+        if(git_head, label("git_head", "git_head()")),
       ) ++ "\n",
     ),
   )