Notifications on changed notes are not superseeded

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Please make a clear and concise description of what the bug is.

Steps to reproduce

Have two users A and B with access to a NC instance
Share a folder (e.g. Notes) from B to A
On B's settings enable notifications via mail/feed on changes to notes/files.
Create multiple change events using user A on some notes (multiple changes in the same note)

Expected behaviour

User B gets notified about an updated file as notification. The same vice-versa.

Actual behaviour

User B is bombed with notifications as every change is transferred into a notification.

E.g. if user A is on shopping tour and just checking the todo list entries, this will trigger dozens of notifications for user B.

Server

Please complete the following information.

Notes app version: 4.5.1
Nextcloud version: 23.0.3
OS: Archlinux
Web server: Apache as reverse proxy + apache
PHP version: 8.0
Database: mariadb 10.5.15

I know this is dated and should be updates soon. Nevertheless, I have the same problem in other instances.

Nextcloud configuration:

``` { "system": { "instanceid": "***REMOVED SENSITIVE VALUE***", "passwordsalt": "***REMOVED SENSITIVE VALUE***", "secret": "***REMOVED SENSITIVE VALUE***", "trusted_domains": [ "www2.wolf-stuttgart.net", "nextcloud.christian-wolf.click" ], "datadirectory": "***REMOVED SENSITIVE VALUE***", "overwrite.cli.url": "https:\/\/nextcloud.christian-wolf.click\/nextcloud", "dbtype": "mysql", "version": "23.0.3.2", "dbname": "***REMOVED SENSITIVE VALUE***", "dbhost": "***REMOVED SENSITIVE VALUE***", "dbport": "", "dbtableprefix": "oc_", "dbuser": "***REMOVED SENSITIVE VALUE***", "dbpassword": "***REMOVED SENSITIVE VALUE***", "installed": true, "updater.release.channel": "stable", "maintenance": false, "htaccess.RewriteBase": "\/nextcloud", "theme": "", "loglevel": 0, "mail_domain": "***REMOVED SENSITIVE VALUE***", "mail_from_address": "***REMOVED SENSITIVE VALUE***", "mail_smtpmode": "smtp", "enable_previews": true, "mail_smtphost": "***REMOVED SENSITIVE VALUE***", "mail_smtpauth": 1, "mail_sendmailmode": "smtp", "mail_smtpport": "587", "mail_smtpname": "***REMOVED SENSITIVE VALUE***", "mail_smtppassword": "***REMOVED SENSITIVE VALUE***", "mail_smtpsecure": "tls", "has_rebuilt_cache": true, "mysql.utf8mb4": true, "memcache.local": "\\OC\\Memcache\\APCu", "memcache.distributed": "\\OC\\Memcache\\Redis", "memcache.locking": "\\OC\\Memcache\\Redis", "redis": { "host": "***REMOVED SENSITIVE VALUE***", "port": 6379 }, "app_install_overwrite": [ "groupfolders" ], "default_language": "de", "data-fingerprint": "cf50eebf679c181ddf2cb23323eac0db", "default_phone_region": "DE", "localstorage.allowsymlinks": true } } ```

Client

Please complete the following information.

Browser (incl. version): Firefox 116.0.3 or Android app
OS: Win/Linux/Android of various versions

Log files

Add relevant parts of your nextcloud.log and/or your browser's JavaScript console here.

Start by reproducing the issue with two users, a shared folder, and multiple changes to the same note, then inspect how mail and feed notifications are generated. Done means repeated changes to one note are consolidated or superseded instead of producing a separate notification for every change.

Written by the indexing model from the issue text.

Description

Steps to reproduce

Expected behaviour

Actual behaviour

Server

Client

Log files

Contributor guide

First steps

Research direction

Assessment

Notifications on changed notes are not superseeded

Description

Steps to reproduce

Expected behaviour

Actual behaviour

Server

Client

Log files

Contributor guide

First steps

Research direction

Assessment

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