src/vs/workbench/contrib/extensions/browser/extensionEditor.ts/ExtensionEditor/updatePreReleaseVersionContext
class ExtensionEditor:	private updatePreReleaseVersionContext(): void {
		let showPreReleaseVersion = (<IExtensionEditorOptions | undefined>this.options)?.showPreReleaseVersion;
		if (isUndefined(showPreReleaseVersion)) {
			showPreReleaseVersion = !!(<ExtensionsInput>this.input).extension.gallery?.properties.isPreReleaseVersion;
		}
		this.showPreReleaseVersionContextKey?.set(showPreReleaseVersion);
	}