feat(annotations): pass rich-text flag on fetch GET

[jmcbgaston]

Description

fetchAnnotationsAction passes isRichTextEnabled as the last argument to getAnnotations. PopupV2 reads that store collection, not the sidebar file_activities payload.

Quirk: the arg is optional on the client so flag-off and older callers omit the key. Create, update, and delete stay param-free.

[CLAassistant]

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