inspector: fix mode prefix by prepending '?' only to private modes

The inspector lists modes by their parameter when used to enable or
disable the mode. Private modes are enabled by using a '?' in the
sequence - however this '?' character was prepended to the ANSI modes.

src/inspector/Inspector.zig

@@ -596,7 +596,7 @@ fn renderModesWindow(self: *Inspector) void {
             _ = cimgui.c.igTableSetColumnIndex(1);
             cimgui.c.igText(
                 "%s%d",
-                if (tag.ansi) "?" else "",
+                if (tag.ansi) "" else "?",
                 @as(u32, @intCast(tag.value)),
             );
         }