[Bug] AdvancedMarker className prop should also be applied when using a Pin instead of custom content

[usefulthink]

Description

The way it is implemented at the moment, the className prop will only be applied to the advMarker.content element when custom html-content is used. It should also get applied when using a Pin component or no child at all.

Steps to Reproduce

n/a

Environment

• Library version: latest
• Google maps version: all
• Browser and Version: all
• OS: all

Logs

No response