Exclude @ from word pattern in js/ts (microsoft#165764)

Fixes microsoft#162862

microsoft#148874 Still seems to be working too after this change

Author: mjbvz

extensions/javascript/javascript-language-configuration.json

@@ -107,7 +107,7 @@
 		}
 	},
 	"wordPattern": {
-		"pattern": "(-?\\d*\\.\\d\\w*)|([^\\`\\~\\!\\%\\^\\&\\*\\(\\)\\-\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\'\\\"\\,\\.\\<\\>/\\?\\s]+)",
+		"pattern": "(-?\\d*\\.\\d\\w*)|([^\\`\\~\\@\\!\\%\\^\\&\\*\\(\\)\\-\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\'\\\"\\,\\.\\<\\>/\\?\\s]+)",
 	},
 	"indentationRules": {
 		"decreaseIndentPattern": {

extensions/typescript-basics/language-configuration.json

@@ -125,7 +125,7 @@
 		}
 	},
 	"wordPattern": {
-		"pattern": "(-?\\d*\\.\\d\\w*)|([^\\`\\~\\!\\%\\^\\&\\*\\(\\)\\-\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\'\\\"\\,\\.\\<\\>/\\?\\s]+)",
+		"pattern": "(-?\\d*\\.\\d\\w*)|([^\\`\\@\\~\\!\\%\\^\\&\\*\\(\\)\\-\\=\\+\\[\\{\\]\\}\\\\\\|\\;\\:\\'\\\"\\,\\.\\<\\>/\\?\\s]+)",
 	},
 	"indentationRules": {
 		"decreaseIndentPattern": {