Variables of VSC snipped are ignored using macro

Hello,
I'm using macro to insert custom snippet from selected var in newline.

My snippet is:
```
"customprintr": {
"prefix": "customprintr",
"body": [
"\t \\$printMe = ${CLIPBOARD}; "
],
"description": "Insert custom print_r"
}
```

and my macro is:

```
"macros": {
"printr": [
"editor.action.smartSelect.grow",
"editor.action.clipboardCopyAction",
"editor.action.insertLineAfter",
{
"command": "editor.action.insertSnippet",
"args": {
"name": "customprintr",
"langId": "php",
}
},
]
},
```

The problem is that after macro execution my clipboard is changed. My goal is obtain the same thing without change my clipboard, using for example ${TM_SELECTED_TEXT} in the snippet. I tried, but used with macro this variable is ignored.

Link to snippet variables https://code.visualstudio.com/docs/editor/userdefinedsnippets#_creating-your-own-snippets

Someone can help me?

Reproduce the `printr` macro in VS Code using the shown `customprintr` PHP snippet, first comparing `${CLIPBOARD}` with `${TM_SELECTED_TEXT}`. Trace how the macro runs `editor.action.clipboardCopyAction` before `editor.action.insertSnippet`; done when the selected text is inserted without changing the user's clipboard.

Written by the indexing model from the issue text.