Refactor navigation open at App.html

[stanleychh]

A follow-up issue of #2393.
(Can start this task when #2393 be merged)

Purpose: Reduce repetition in codebase

luigi/core/src/App.html

Lines 1349 to 1417 in 8ba179d

	if ('luigi.navigation.open' === e.data.msg) {
	isNavigateBack = false;
	const srcNode = isSpecialIframe ? iframe.luigi.currentNode : undefined;
	const srcPathParams = isSpecialIframe ? iframe.luigi.pathParams : undefined;
	const params = e.data.params;
	const { intent, newTab, modal, splitView, drawer, withoutSync } = params;
	if (e.source !== window && !intent && params.link) {
	params.link = params.link.split('?')[0];
	}
	if (newTab) {
	let path = buildPath(params, srcNode, srcPathParams);
	path = GenericHelpers.addLeadingSlash(path);
	openViewInNewTab(path);
	} else if (modal !== undefined) {
	let path = buildPath(params, srcNode, srcPathParams);
	path = GenericHelpers.addLeadingSlash(path);
	const pathExist = await pathExists(path);
	path = await RoutingHelpers.handlePageNotFoundAndRetrieveRedirectPath(
	getComponentWrapper(),
	path,
	pathExist
	);
	if (!path) {
	return;
	}
	contentNode = node;
	resetMicrofrontendModalData();
	openViewInModal(path, modal === true ? {} : modal);
	} else if (splitView !== undefined) {
	let path = buildPath(params, srcNode, srcPathParams);
	path = GenericHelpers.addLeadingSlash(path);
	const pathExist = await pathExists(path);
	path = await RoutingHelpers.handlePageNotFoundAndRetrieveRedirectPath(
	getComponentWrapper(),
	path,
	pathExist
	);
	if (!path) {
	return;
	}
	contentNode = node;
	openSplitView(path, splitView);
	} else if (drawer !== undefined) {
	let path = buildPath(params, srcNode, srcPathParams);
	path = GenericHelpers.addLeadingSlash(path);
	const pathExist = await pathExists(path);
	path = await RoutingHelpers.handlePageNotFoundAndRetrieveRedirectPath(
	getComponentWrapper(),
	path,
	pathExist
	);
	if (!path) {
	return;
	}
	contentNode = node;
	resetMicrofrontendDrawerData();
	drawer.isDrawer = true;
	openViewInDrawer(path, drawer);
	} else {
	getUnsavedChangesModalPromise().then(() => {
	isNavigationSyncEnabled = !withoutSync;
	handleNavigation(e.data, config, srcNode, srcPathParams);
	closeModal();
	closeSplitView();
	closeDrawer();
	isNavigationSyncEnabled = true;
	});
	}
	}