[stable18] Inidicate preview availability in share api responses

[backportbot-nextcloud]

⚠️ This backport had conflicts and is incomplete ⚠️ JS compile should fix this - some PHP unit test changes are not in here - most likely because those tests are 20+ only

backport of #23350

[MorrisJobke]

/compile amend /

[MorrisJobke]

CI says no :(

[faily-bot]

🤖 beep boop beep 🤖

Here are the logs for the failed build:

Status of 35081: failure

handlebars

• I'm a little sad 🤖 and was not able to find the logs for this failed job - please improve me at https://github.com/MorrisJobke/drone-logs to provide this to you

mysql5.6-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) Test\Files\ObjectStore\ObjectStoreStorageTest::testMoveOverwrite with data set #3 ('/source with space.txt', '/target with space.txt')
Expected /target with space.txt to be a copy of /drone/src/tests/data/lorem.txt
Failed asserting that false matches expected 'Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua.\n
Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat.\n
Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur.\n
Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.'.

/drone/src/tests/lib/Files/Storage/Storage.php:207
/drone/src/tests/lib/Files/Storage/Storage.php:262