src/vs/workbench/services/extensionManagement/browser/extensionEnablementService.ts/ExtensionEnablementService/_enableExtension
class ExtensionEnablementService:	private _enableExtension(identifier: IExtensionIdentifier): Promise<boolean> {
		this._removeFromWorkspaceDisabledExtensions(identifier);
		this._removeFromWorkspaceEnabledExtensions(identifier);
		return this.globalExtensionEnablementService.enableExtension(identifier, SOURCE);
	}