🔃 Permanent call rooms - ⚙️ Backend

[AndyScherzinger]

☑️ Resolves

• Backend part for 🔃 Permanent call rooms #15417

🏁 Checklist

• ⛑️ Tests (unit and/or integration) are included or not possible
• 📘 API documentation in docs/ has been updated or is not required
• 🔖 Capability is added or not needed

[AndyScherzinger]

Can't run the openAPI calls locally unfortunately

[miaulalala]

    Given user "participant1" gets available presets with 200 (v1) # FeatureContext::userSeesTheFollowingPresets()
      | identifier   | name         | parameters                                                                                                                                               |
      | default      | default      | {"roomType":2,"readOnly":0,"listable":0,"messageExpiration":0,"lobbyState":0,"sipEnabled":0,"permissions":0,"recordingConsent":0,"mentionPermissions":0} |
      | forced       | forced       | []                                                                                                                                                       |
      | webinar      | Webinar      | {"lobbyState":1,"mentionPermissions":1,"permissions":389,"recordingConsent":1,"roomType":3}                                                              |
      | presentation | Presentation | {"mentionPermissions":1,"permissions":389,"recordingConsent":1}                                                                                          |
      | hallway      | Hallway      | {"listable":1,"messageExpiration":3600}                                                                                                                  |
      {"ocs":{"meta":{"status":"failure","statuscode":996,"message":"Internal Server Error\nCannot call abstract method OCA\\Talk\\RoomPresets\\APreset::getIdentifier() in file '\/home\/runner\/work\/spreed\/spreed\/apps\/spreed\/lib\/RoomPresets\/APreset.php' line 32"},"data":[]}}

[nickvergessen]

Since I did majority of the PR by now, could do review my part @miaulalala

[miaulalala]

some nitpicks, but looks good

[miaulalala]

Suggested change

	* `unified` Unified - chat messages are in a single column
	* `unified` Unified - chat messages are displayed in a single column

[nickvergessen]

I'll do a follow up to not run CI again with integration tests

[miaulalala]

nit

the plural sounds like it may be an array

Suggested change

	?int $attributes = null,
	?int $attributeBits = null,