[ExportMDFileContent] Use - in exported markdown's bullet list

[windingwind]

Description

See #767

Screenshots

See #767

Test on Zotero version

7.0.0-beta.47+f012a348a

Test on Better Notes version

1.1.4-26

Template Type

ExportMDFileContent

Template Share Code

# This template is specifically for importing/sharing, using better 
# notes 'import from clipboard': copy the content and
# goto Zotero menu bar, click Edit->New Template from Clipboard.  
# Do not copy-paste this to better notes template editor directly.
name: "[ExportMDFileContent]"
content: |-
  ${{
  	return mdContent.replace(/^(\s*)\*/gm, "$1-");
  }}$

Anything else

No response