[stable18] Only run the query to get the account data once

[backportbot-nextcloud]

backport of #23215

[faily-bot]

🤖 beep boop beep 🤖

Here are the logs for the failed build:

Status of 33719: failure

mariadb10.1-php7.2

Show full log

There were 2 warnings:

1) Test\Files\ViewTest::testRenameFailDeleteTargetKeepSource
Trying to configure method "writeStream" which cannot be configured because it does not exist, has not been specified, is final, or is static

2) Test\Files\ViewTest::testCopyFailDeleteTargetKeepSource
Trying to configure method "writeStream" which cannot be configured because it does not exist, has not been specified, is final, or is static

--

There was 1 failure:

1) OCA\Files_Sharing\Tests\SharedMountTest::testPermissionMovedGroupShare with data set #245 ('folder', 31, 9)
Failed asserting that false is true.

/drone/src/apps/files_sharing/tests/SharedMountTest.php:361