Comments should be indexed on linked document full-text field

Comments should be indexed on linked document full-text field

Acceptance criteria: 

• Given a document with title "A" Add an annotation in arender with a comment and the word "Angel is an document television series, a spin-off from the television series Buffy the Vampire Slayer. The series was created by Buffy's creator, J"

If I search on full-text field in search screen " Buffy" I find the document A.

• If i Delete the annotation in ARender, and then search again "Buffy" I don't find the document A.

Those two acceptance criteria should also work when filling a comment right from the comment feature.

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