Fix: Pass static config when no options are given for inversify

Author: bodograumann

modules/openapi-generator/src/main/resources/typescript/types/ObservableAPI.mustache

@@ -65,7 +65,7 @@ export class Observable{{classname}} {
     public {{nickname}}WithHttpInfo({{#allParams}}{{paramName}}{{^required}}?{{/required}}: {{{dataType}}}, {{/allParams}}_options?: Configuration{{^useInversify}}Options{{/useInversify}}): Observable<HttpInfo<{{{returnType}}}{{^returnType}}void{{/returnType}}>> {
         const _config = mergeConfiguration(this.configuration, _options);
 
-        const requestContextPromise = this.requestFactory.{{nickname}}({{#allParams}}{{paramName}}, {{/allParams}}{{#useInversify}}_options{{/useInversify}}{{^useInversify}}_config{{/useInversify}});
+        const requestContextPromise = this.requestFactory.{{nickname}}({{#allParams}}{{paramName}}, {{/allParams}}_config);
         // build promise chain
         let middlewarePreObservable = from<RequestContext>(requestContextPromise);
         for (const middleware of _config.middleware) {