[FFI/JNI Refactor]: Scope sync e.g user/contexts/extras/tags/breadcrumbs

[buenaflor]

Description

Migrate the following methods to direct native calls:

• addBreadcrumb, clearBreadcrumbs: [FFI/JNI Refactor]: Scope sync e.g user/contexts/extras/tags/breadcrumbs #3204
• setContexts, removeContexts
• setExtra, removeExtra
• setTag, removeTag
• setUser

[linear]

DART-209 [FFI/JNI Refactor]: Scope sync e.g user/contexts/extras/tags/breadcrumbs