feat(6_core_config.sh): improve UI/UX

scripts/menus/common.sh

@@ -42,12 +42,12 @@ btm_box() {
     separator_line "="
 }
 
-list_box () {
-	i=1
-	printf '%s\n' "$1" | while IFS= read -r f; do
-		content_line "$i) $f$2"
-		i=$(( i + 1 ))
-	done
+list_box() {
+    i=1
+    printf '%s\n' "$1" | while IFS= read -r f; do
+        content_line "$i) $f$2"
+        i=$((i + 1))
+    done
 }
 
 # =================================================
@@ -80,7 +80,5 @@ cancel_back() {
 }
 
 common_success() {
-    separator_line "-"
-    content_line "\033[32m$COMMON_SUCCESS\033[0m"
-    sleep 1
+    msg_alert "\033[32m$COMMON_SUCCESS\033[0m"
 }