New theme option breaks Node-RED projects

Problem/Motivation

I am using the projects feature for version control in Node-RED. After updating the Node-RED add-on to version 9.0.0, my project did not load; instead, the flows in my old flows.json were loaded. Besides, the whole projects functionality was unavailable.

Expected behavior

After updating, the projects feature keeps functioning and the correct flow file is loaded.

Actual behavior

The projects feature is not enabled and instead of the project flows, the flows from flows.json are loaded.

Steps to reproduce

1. Enable the projects feature in settings.js by setting editorTheme.projects to true:

module.exports = {
  ...
  editorTheme: {
    projects: {
      enabled: true
    }
  }
}

1. Restart the add-on;
2. The projects UI is not present.

Proposed changes

Previously, config.js added a property to config.editorTheme in order to set the theme:

config.editorTheme.page = {
  css: "/opt/node_modules/@node-red-contrib-themes/midnight-red/theme.css",
};

Currently, config.editorTheme is overwritten, disabling any customization using settings.js:

config.editorTheme = {
  theme: options.theme,
};

If the code above is changed to only set the theme property of config.editorTheme instead of overwriting it, this issue would be solved.

[bonanitech]

Pushing a fix in a few minutes.

[crnh]

You can check that yourself in the releases section of this repo. 9.0.0 is the newest, so no, the patch has not yet been released.