fix: exclude vue directive syntax injection in Angular bindings (#3891)

Vue directive syntax captures take over required terminating characters
for expressions inside Angular template bindings. These bindings are
identifiable with `meta.ng-binding` (https://github.com/angular/vscode-ng-language-service/blob/5d73b53115db57ea868f11aa5caa4bc0d890bb12/syntaxes/template-tag.json#L43).

angular/vscode-ng-language-service#1989
angular/vscode-ng-language-service#2005

extensions/vscode/syntaxes/vue-directives.json

@@ -1,11 +1,11 @@
 {
 	"$schema": "https://raw.githubusercontent.com/martinring/tmlanguage/master/tmlanguage.json",
 	"fileTypes": [],
-	"injectionSelector": "L:meta.tag -meta.attribute -entity.name.tag.pug -attribute_value -source.tsx -source.js.jsx, L:meta.element -meta.attribute",
+	"injectionSelector": "L:meta.tag -meta.attribute -meta.ng-binding -entity.name.tag.pug -attribute_value -source.tsx -source.js.jsx, L:meta.element -meta.attribute",
 	"patterns": [
 		{
 			"include": "source.vue#vue-directives"
 		}
 	],
 	"scopeName": "vue.directives"
-}
+}