Summary:
Builds on https://phab.getgrist.com/D3352
Add DocStorage.scanAttachmentsForUsageChanges to do fancy JSON query to find all attachment metadata rows whose soft deletion status needs updating.
Add ActiveDoc.updateUsedAttachments which uses the above and then applies the appropriate user action if needed to soft delete/undelete metadata rows.
Add endpoint in DocApi calling ActiveDoc method.
Test Plan: Added DocApi test
Reviewers: paulfitz
Reviewed By: paulfitz
Differential Revision: https://phab.getgrist.com/D3357
* remove stray redis dependency in test
* tweak handling of database connection between tests
* upgrade node versions in tests, type guessing in node 10 has problems
Summary:
This shuffles some server tests to make them available in grist-core,
and adds a test for the `GRIST_PROXY_AUTH_HEADER` feature added in
https://github.com/gristlabs/grist-core/pull/165
It includes a fix for a header normalization issue for websocket connections.
Test Plan: added test
Reviewers: georgegevoian
Reviewed By: georgegevoian
Differential Revision: https://phab.getgrist.com/D3326
