There are no sub-option items for some options in SAS procedures

[Zhirong2022]

Describe the bug

Open VSC SAS Extension base on Main branch. It has no sub-option items for some options in SAS procedures.

Steps to reproduce

1.Open VSC
2.Create a new .sas file and type some code
3.Type Ctrl+Space in parenthesis of stepdown() to show sub-options

SAS code (if applicable)

proc logistic;
	estimate/stepdown()

Expected behavior

Sub-options are shown properly for some options

Screenshots

Client OS

No response

Extension version

1.15.0

SAS version

No response

Additional context

No response