also reset nmaster w/ reset layout

dwm.c

@@ -1744,6 +1744,9 @@ resetlayout(const Arg *arg)
 
 	setlayout(&default_layout);
 	setmfact(&default_mfact);
+
+	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = nmaster;
+	arrange(selmon);
 }
 
 void

patches/behavior/dwm-resetnmaster-pertag-6.3.diff

@@ -0,0 +1,36 @@
+diff -r -u a/config.def.h b/config.def.h
+--- a/config.def.h	2022-01-07 06:42:18.000000000 -0500
++++ b/config.def.h	2022-01-23 16:03:42.521951418 -0500
+@@ -69,6 +69,7 @@
+ 	{ MODKEY,                       XK_k,      focusstack,     {.i = -1 } },
+ 	{ MODKEY,                       XK_i,      incnmaster,     {.i = +1 } },
+ 	{ MODKEY,                       XK_d,      incnmaster,     {.i = -1 } },
++	{ MODKEY,                       XK_o,      resetnmaster,   {0} },
+ 	{ MODKEY,                       XK_h,      setmfact,       {.f = -0.05} },
+ 	{ MODKEY,                       XK_l,      setmfact,       {.f = +0.05} },
+ 	{ MODKEY,                       XK_Return, zoom,           {0} },
+diff -r -u a/dwm.c b/dwm.c
+--- a/dwm.c	2022-01-23 16:06:01.221948285 -0500
++++ b/dwm.c	2022-01-23 16:05:35.949948855 -0500
+@@ -191,6 +191,7 @@
+ static void propertynotify(XEvent *e);
+ static void quit(const Arg *arg);
+ static Monitor *recttomon(int x, int y, int w, int h);
++static void resetnmaster(const Arg *arg);
+ static void resize(Client *c, int x, int y, int w, int h, int interact);
+ static void resizeclient(Client *c, int x, int y, int w, int h);
+ static void resizemouse(const Arg *arg);
+@@ -1296,6 +1297,13 @@
+ }
+ 
+ void
++resetnmaster(const Arg *arg)
++{
++	selmon->nmaster = selmon->pertag->nmasters[selmon->pertag->curtag] = 1;
++	arrange(selmon);
++}
++
++void
+ resize(Client *c, int x, int y, int w, int h, int interact)
+ {
+ 	if (applysizehints(c, &x, &y, &w, &h, interact))