Delete cached messages when deleting them on IMAP

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Add a lazy structure analyzation to get the attachments icon back

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Show star when hover

Signed-off-by: GretaD <gretadoci@gmail.com>

Add headings and alignment formatting

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Fix searching in message cache (and IMAP)

* Query IMAP only if necessary
* Fix pagination (when IMAP results are used)
* Fix CC and BCC search queries

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Fix error matching in production build

Webpack renames classes, hence this didn't work in production mode.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Don't handle sync conflicts as errors

Log them as info, but not error. And just carry on.

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Fix CKEditor in the browser

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Add user setting to opt-out from data collection

Update authors list to most active contributors in 1y

Try to recover from server errors

Merge pull request #2598 from nextcloud/revert-2591-dependabot/composer/christophwurst/nextcloud-18.0.0

Revert "Bump christophwurst/nextcloud from 17.0.2 to 18.0.0"

Based on https://github.com/nextcloud/mail/graphs/contributors?from=2019-02-05&to=2020-02-04&type=c



Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Remove stats from favorites

Fix folderStats

* Migrate Vue folder fetch code to async-await
* Introduce match helper to match to error types
* Match lock and initial sync errors

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: GretaD <gretadoci@gmail.com>

Signed-off-by: GretaD <gretadoci@gmail.com>

Detect missing mailbox cache and block access to messages

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>

Fix HTTP500 when no UIDs are sent

Fix jobs allowed to fail in CI matrix

Signed-off-by: GretaD <gretadoci@gmail.com>

Use JSend-inspired JSON response structures

Signed-off-by: Christoph Wurst <christoph@winzerhof-wurst.at>