fix: Update the VSI user_data input to use new HCL editor UI (#1038)

Co-authored-by: piyush <Piyush.Kumar.Sahu@ibm.com>

Author: piyush117

ibm_catalog.json

@@ -83,7 +83,7 @@
               "custom_config": {
                 "grouping": "deployment",
                 "original_grouping": "deployment",
-                "type": "textarea"
+                "type": "code_editor"
               },
               "key": "user_data"
             },
@@ -290,7 +290,7 @@
               "custom_config": {
                 "grouping": "deployment",
                 "original_grouping": "deployment",
-                "type": "textarea"
+                "type": "code_editor"
               },
               "key": "user_data"
             },