Vscode merge (#4582)

* Merge from vscode 37cb23d3dd4f9433d56d4ba5ea3203580719a0bd

* fix issues with merges

* bump node version in azpipe

* replace license headers

* remove duplicate launch task

* fix build errors

* fix build errors

* fix tslint issues

* working through package and linux build issues

* more work

* wip

* fix packaged builds

* working through linux build errors

* wip

* wip

* wip

* fix mac and linux file limits

* iterate linux pipeline

* disable editor typing

* revert series to parallel

* remove optimize vscode from linux

* fix linting issues

* revert testing change

* add work round for new node

* readd packaging for extensions

* fix issue with angular not resolving decorator dependencies

extensions/markdown-language-features/preview-src/scroll-sync.ts

@@ -24,13 +24,13 @@ const getCodeLineElements = (() => {
 	let elements: CodeLineElement[];
 	return () => {
 		if (!elements) {
-			elements = ([{ element: document.body, line: 0 }]).concat(Array.prototype.map.call(
-				document.getElementsByClassName('code-line'),
-				(element: any) => {
-					const line = +element.getAttribute('data-line');
-					return { element, line };
-				})
-				.filter((x: any) => !isNaN(x.line)));
+			elements = [{ element: document.body, line: 0 }];
+			for (const element of document.getElementsByClassName('code-line')) {
+				const line = +element.getAttribute('data-line')!;
+				if (!isNaN(line)) {
+					elements.push({ element: element as HTMLElement, line });
+				}
+			}
 		}
 		return elements;
 	};