[stable23] Wrap notification generation in a transaction

[backportbot-nextcloud]

backport of #6929

[vitormattos]

Is this about outdated dependency?

ERROR: InvalidArgument - lib/Controller/SettingsController.php:111:52 - Argument 1 of OCP\Files\Storage::instanceOfStorage expects class-string<OCP\Files\Storage\IStorage>, OCA\Files_Sharing\SharedStorage::class provided (see https://psalm.dev/004)
				return !$node->getStorage()->instanceOfStorage(SharedStorage::class);


ERROR: InvalidArgument - lib/Files/Util.php:72:48 - Argument 1 of OCP\Files\Storage::instanceOfStorage expects class-string<OCP\Files\Storage\IStorage>, OCA\Files_Sharing\SharedStorage::class provided (see https://psalm.dev/004)
			if (!$node->getStorage()->instanceOfStorage(SharedStorage::class)) {

[nickvergessen]

Seems a server change? Also happens on master

[vitormattos]

@nickvergessen we will need fix the Psalm issue at stable23 here or in a new PR or will ignore it?
I think this can throw error if isn't only an annotation question.

[nickvergessen]

Need to fix in stable23... lemme look into it

[nickvergessen]

#6952