Drop editor-cosmetic plugins from the project requirements

[chraibi]

A fresh clone cannot be built on a machine that does not already have two Marketplace plugins installed. UnrealBuildTool stops before compiling anything:

Unable to find plugin 'ElectronicNodes' (referenced via ProjectMobius.uproject).
Install it and try again, or remove it from the required plugin list.

Removing that one, the next run fails identically on DarkerNodes.

Why these two are different from the other 20

ElectronicNodes changes how Blueprint wires are drawn; DarkerNodes restyles the editor UI. They are Blueprint-graph appearance plugins — no runtime code, no build step, nothing the project depends on. Every other entry in the plugin list (Mass*, Datasmith*, OpenCV, Hdf5DataPlugin, …) is load-bearing.

They are also the only two plugins in the project that are undocumented: no mention in README.md, and no entry in ASSET_LICENSES.md, even though the project otherwise tracks the licensing of everything it depends on.

Listing them with "Enabled": true makes them required, so a per-developer editor preference has become a hard build dependency for every contributor.

Change

Remove both entries. Editor appearance belongs in each developer's engine-level plugin settings (Edit → Plugins, which persists per engine install, not per project), so anyone who wants them can keep using them with no effect on anyone else.

Alternative, if you would rather keep them visible in the project

FPluginReferenceDescriptor supports an optional flag — Engine/Source/Runtime/Projects/Public/PluginReferenceDescriptor.h:

/** Whether this plugin is optional, and the game should silently ignore it not being present */
bool bOptional;

So the entries could instead be restored as:

{
    "Name": "ElectronicNodes",
    "Enabled": true,
    "Optional": true,
    "MarketplaceURL": "..."
}

That keeps them enabled for developers who have them and silently skips them for everyone else. Happy to switch this PR to that form if you prefer — I went with removal because these are personal editor preferences rather than project configuration.

Verification

With both entries removed, ProjectMobiusEditor Mac Development configures and builds from a clean clone with no Marketplace plugins installed. No source, content, or Blueprint changes — the removed plugins have no assets or code referencing them.

[Copilot]

Pull request overview

Removes two editor-cosmetic Marketplace plugins from ProjectMobius.uproject so fresh clones can configure/build without requiring per-developer Unreal Editor UI/Blueprint appearance plugins to be installed.

Changes:

• Dropped ElectronicNodes from the project’s required plugin list.
• Dropped DarkerNodes from the project’s required plugin list.

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[sir306]

this is already resolved in current main branch and the fix has been superseded