src/vs/workbench/contrib/extensions/browser/extensionsViews.ts/ExtensionsListView/updateSize
class ExtensionsListView:	protected updateSize() {
		if (this.options.fixedHeight) {
			const length = this.list?.model.length || 0;
			this.minimumBodySize = Math.min(length, 3) * EXTENSION_LIST_ELEMENT_HEIGHT;
			this.maximumBodySize = length * EXTENSION_LIST_ELEMENT_HEIGHT;
			this.storageService.store(this.id, this.maximumBodySize, StorageScope.GLOBAL, StorageTarget.MACHINE);
		}
	}