Monaco / Scaffold: Use LF line endings on all platforms

https://forums.zotero.org/discussion/114239/z7-beta77-scaffold-bugs-report

chrome/content/scaffold/monaco/monaco.html

@@ -62,6 +62,8 @@
 					detectIndentation: false,
 					...params
 				});
+				
+				editor.getModel().setEOL(monaco.editor.EndOfLineSequence.LF);
 
 				window.onresize = function () {
 					editor.layout();

chrome/content/scaffold/scaffold.js

@@ -285,7 +285,8 @@ var Scaffold = new function () {
 		
 		// For some reason, even if we explicitly re-set the default model's language to JavaScript,
 		// Monaco still treats it as TypeScript. Recreating the model manually fixes the issue.
-		editor.setModel(monaco.editor.createModel('', 'javascript', monaco.Uri.parse('inmemory:///translator.js')));
+		let model = monaco.editor.createModel('', 'javascript', monaco.Uri.parse('inmemory:///translator.js'));
+		editor.setModel(model);
 
 		editor.updateOptions({
 			lineNumbers: num => num + _linesOfMetadata - 1,