Redturtle.volto

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- Add adapters for link integrity for content-types with BlocksField fields.
[cekk]
- Fix: occurrences indexing
[mamico]

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- Upgrade step to remove all custom Googlebot rules from robots.txt
[mamico]

- Fix: add range_start to function for calculate recurrences in the right way
[eikichi18]

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- Fix deserializer for relationfield, add lstrip to path object calculation
[eikichi18]

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- Fix deserializer for relationfield, use UID instead of id
[eikichi18]

- Isort
[folix-01]

- Add monkeypatch to fix scadeziario-day endpoint
[eikichi18]

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- Return error instead of raise Excpetion for BadRequest in querystringsearch
[mamico]

- Add upgrade step and setuphandler to fix robots.txt
original rules adding 'Allow: /*?expand*'
[lucabel]

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- Fix: the 'fix-link' view has a bug that corrupts links by replacing
the current external URL with a URL that is always relative to the
site, even when requesting replacement with a link from a different
website.
[lucabel].

- plone.app.redirector.FourOhFourView.search_for_similar patch to enable conditionally
the search for similar
[folix-01]

- Set search/querystring-search limit patch only for anonymous users.
Auth users can need to perform an higher query (in contents view for example).
[cekk]

- Re-apply context UID filter in querystringsearch service (as it is in plone.restapi).
[cekk]