Disable bracked paste in reset

Sadly, there are too many programs today that enable this mode
and it is becoming very common to find the terminal adding
characters before and after in every of your pastes. A reset
should disable this mode.

st.c

@@ -2358,6 +2358,7 @@ eschandle(uchar ascii)
 		resettitle();
 		xloadcols();
 		xsetmode(0, MODE_HIDE);
+		xsetmode(0, MODE_BRCKTPASTE);
 		break;
 	case '=': /* DECPAM -- Application keypad */
 		xsetmode(1, MODE_APPKEYPAD);