allow custom framework use args in refactor templates

**Is your feature related to a specific framework or general for this extension**

custom-framework

**Is your feature request related to a problem? Please describe.**

when use custom framework to extrat string like `` `hello, ${'world'}` ``, we cannot get args in result

**Describe the solution you'd like**

support `$2` for args in refactorTemplates

**Additional context**

see pr #1290 
