src/vs/workbench/browser/parts/panel/panelPart.ts/BasePanelPart/hideActivePaneComposite
class BasePanelPart:	hideActivePaneComposite(): void {
		// First check if panel is visible and hide if so
		if (this.layoutService.isVisible(this.partId)) {
			this.layoutService.setPartHidden(true, this.partId);
		}

		this.hideActiveComposite();
	}