opt: not swallow the isminied window

src/mango.c

@@ -1376,7 +1376,7 @@ void applyrules(Client *c) {
 	if (!c->noswallow && !c->isfloating && !client_is_float_type(c) &&
 		!c->surface.xdg->initial_commit) {
 		Client *p = termforwin(c);
-		if (p) {
+		if (p && !p->isminied) {
 			c->swallowedby = p;
 			p->swallowing = c;
 			wl_list_remove(&c->link);