fix: check Angular version if angular.view-engine is false (#1358)
fix: check Angular version if angular.view-engine is false (#1358)

This commit fixes a bug where View Engine is not launched even though
the Angular version is resolved correctly. This is because the configuration
value is typed as "boolean", and defaults to `false` when the value is not set.
angular/vscode-ng-language-service,angular/vscode-ng-language-service,angular/vscode-ng-language-service,angular/vscode-ng-language-service