fix jq null error fixes list and nested menus

lib/armbian-configng/config.ng.docs.sh

@@ -485,13 +485,15 @@ Usage:  $script_name [option] [arguments]
     main=Help   -  Display Legacy Options (Backward Compatible)
 
 EOF
-    # TODO: Migrate More features. 
+    # TODO: Migrate More features.
     #echo " main=help   -  Display Legacy cli commands."
     jq -r --arg script_name "$script_name" '
-        .menu[] | 
-        .sub[] | 
-        select(.id | startswith("H") | not) |
-       "    --cli " + .id + "  -  " + .description
+	def process_item(item):
+	    "    --cli " + item.id + "  -  " + item.description,
+	    (item.sub[]? | process_item(.));
+
+	.menu[] |
+	.sub[]? | process_item(.)
     ' $json_file
 }
 

lib/armbian-configng/config.ng.functions.sh

@@ -566,15 +566,21 @@ module_options+=(
 #
 function execute_command() {
     local id=$1
-    local commands=$(jq -r --arg id "$id" '.menu[] | .. | objects | select(.id==$id) | .command[]' "$json_file")
+        #local commands=$(jq -r --arg id "$id" '.menu[] | .. | objects | select(.id==$id) | .command[]' "$json_file")
+    local commands=$(jq -r --arg id "$id" '
+  .menu[] |
+  .. |
+  objects |
+  select(.id == $id) |
+  .command[]?' "$json_file")
+
     for command in "${commands[@]}"; do
-        # Check if the command is not in the list of restricted commands       
+        # Check if the command is not in the list of restricted commands
             [[ -n "$debug" ]] && echo "$command"
             eval "$command"
     done
 }
 
-
 module_options+=(
 ["show_message,author"]="Joey Turner"
 ["show_message,ref_link"]=""