Enhance Perforce Integration for Farm Rendering

[tweak-wtf]

Is there an existing issue for this?

• I have searched the existing issues and added correct labels.

Please describe the feature you have in mind and explain what the current shortcomings are?

As discussed on discord this shall serve as a milestone and is currently rather a summary.

General Rendering Suggestions

• render jobs as -MRQInstance on nodes
  • a good read about this is this post -> https://dev.epicgames.com/community/learning/tutorials/xY9O/overview-of-setting-up-a-render-farm-with-unreal-engine
• drop custom Deadline plugin and explore vanilla Deadline plugin's RPC implementation
• add support for rendering multiple passes
• publish with preview (and all the different AOV's)
• persist submitted P4 changelist in rendered EXRs metadata and AYON

Using Media Render Queue

• use jobs in MRQ as render instances in similar fashion we use render layers in Maya
• being able to create multiple renderQueue's to submit more than 1 shot to deadline
• when creating the publish instance (type render) it should update the MRQ item automatically
• deadline job should be named after the level sequence that should be rendered

Using Media Render Graph

• implement custom blueprint node

Perforce

• ChangesViewer should only show changelists from current stream and depot
• Collect Latest Changelist should collect from local stream only not throughout the depot
• support for Multi-Stream setups by using stream/templates
• automatic creation of local P4 workspaces based on workspace templates
  • enables using streams as tasks in AYON

Suggested implementation?

I started something kinda working that's much influenced by this post.
It covers a lot of the notes atop but is very rough around the edges. Should convey the idea tho.

• Enhancement/ue no gamemode rendering #182
• init RemoteRender ayon-unreal-plugin#15
• Enhancement/ue no gamemode rendering ayon-deadline#89
• Respect local workspace and depots when retrieving changelists ayon-version-control#24
  • this PR got continued here -> validate uncommitted changes tweak-wtf/ayon-version-control#1

Describe alternatives you've considered:

No response