Function findOrCreateNonNativeAsset

findOrCreateNonNativeAsset(
    assetManager: AssetManager,
    assetAbsPath: Path,
    destDirInProject: Path,
): Promise<Editor.Assets.Asset>
Finds or creates an asset in the asset manager.
Parameters
- assetManager: AssetManager
  The asset manager instance.
- assetAbsPath: Path
  The absolute path of the asset.
- destDirInProject: Path
  The destination directory in the project. this is a relative path to the project Assets root.
Returns Promise<Editor.Assets.Asset>
The primary asset found or created.

Throws
Error if there is an error importing the asset or if the import result is invalid.