[dwm] dwm.c: do not warp to floating windows

the inkscape shortcut manager works better like this.
otherwise when we insert text the cursor warps into the textbox,
and then we paste the rendered text where the textbox was.
we want to preserve the cursor position

suckless/dwm/dwm.c

@@ -2313,6 +2313,9 @@ warp(const Client *c)
 		return;
 	}
 
+	if (c->isfloating)
+		return;
+
 	if (!getrootptr(&x, &y) ||
 	    (x > c->x - c->bw &&
 	     y > c->y - c->bw &&