Allow phone number find in send text submenu

This allow the user to use a non formated phone number. We
split valid number check in a dedicated script to allow this.

scripts/core/sxmo_contactmenu.sh

@@ -3,29 +3,6 @@
 # shellcheck source=scripts/core/sxmo_common.sh
 . "$(dirname "$0")/sxmo_common.sh"
 
-valid_number() {
-	if pn valid "$1"; then
-		echo "$1"
-		return
-	fi
-
-	REFORMATTED="$(pn find ${DEFAULT_COUNTRY:+-c "$DEFAULT_COUNTRY"} "$1")"
-	if pn valid "$REFORMATTED"; then
-		echo "$REFORMATTED"
-		return
-	fi
-
-	notify-send "\"$1\" is not a valid phone number"
-
-	PICKED="$(printf "Ok\nUse as it is\n" | dmenu -p "Invalid Number")"
-	if [ "$PICKED" = "Use as it is" ]; then
-		echo "$1"
-		return
-	fi
-
-	exit
-}
-
 newcontact() {
 	name="$(echo | sxmo_dmenu_with_kb.sh -p "$icon_usr Name")"
 	number=
@@ -72,7 +49,7 @@ editcontactnumber() {
 			editcontact "$1"
 			return
 		fi
-		PICKED="$(valid_number "$PICKED")"
+		PICKED="$(sxmo_validnumber.sh "$PICKED")"
 	done
 
 	newcontact="$PICKED	$oldname"

scripts/core/sxmo_validnumber.sh

@@ -0,0 +1,25 @@
+#!/usr/bin/env sh
+
+# shellcheck source=scripts/core/sxmo_common.sh
+. "$(dirname "$0")/sxmo_common.sh"
+
+if pn valid "$1"; then
+	printf %s "$1"
+	exit
+fi
+
+REFORMATTED="$(pn find ${DEFAULT_COUNTRY:+-c "$DEFAULT_COUNTRY"} "$1")"
+if pn valid "$REFORMATTED"; then
+	printf %s "$REFORMATTED"
+	exit
+fi
+
+notify-send "\"$1\" is not a valid phone number"
+
+PICKED="$(printf "Ok\nUse as it is\n" | sxmo_dmenu.sh -p "Invalid Number")"
+if [ "$PICKED" = "Use as it is" ]; then
+	printf %s "$1"
+	exit
+fi
+
+exit 1

scripts/modem/sxmo_modemtext.sh

@@ -29,12 +29,12 @@ choosenumbermenu() {
 		)"
 	fi
 
-	if echo "$NUMBER" | grep -q "Cancel"; then
+	if printf %s "$NUMBER" | grep -q "Cancel"; then
 		exit 1
-	elif ! echo "$NUMBER" | grep -qE '^[+0-9]+$'; then
-		notify-send "That doesn't seem like a valid number"
+	elif NUMBER="$(sxmo_validnumber.sh "$NUMBER")"; then
+		printf %s "$NUMBER"
 	else
-		echo "$NUMBER"
+		notify-send "That doesn't seem like a valid number"
 	fi
 }