fix unused import if allOf (#4632)

Author: tanmen

modules/openapi-generator/src/main/resources/typescript-rxjs/modelAllOf.mustache

@@ -0,0 +1,14 @@
+{{#hasImports}}
+import {
+    {{#imports}}
+    {{{.}}},
+    {{/imports}}
+} from './';
+
+{{/hasImports}}
+/**
+ * @type {{classname}}{{#description}}
+ * {{{description}}}{{/description}}
+ * @export
+ */
+export type {{classname}} = {{#allOf}}{{{.}}}{{^-last}} & {{/-last}}{{/allOf}};

modules/openapi-generator/src/main/resources/typescript-rxjs/models.mustache

@@ -2,6 +2,6 @@
 {{>licenseInfo}}
 {{#models}}
 {{#model}}
-{{#isEnum}}{{>modelEnum}}{{/isEnum}}{{#oneOf}}{{#-first}}{{>modelOneOf}}{{/-first}}{{/oneOf}}{{^isEnum}}{{^oneOf}}{{>modelGeneric}}{{/oneOf}}{{/isEnum}}
+{{#isEnum}}{{>modelEnum}}{{/isEnum}}{{#oneOf}}{{#-first}}{{>modelOneOf}}{{/-first}}{{/oneOf}}{{#allOf}}{{#-first}}{{>modelAllOf}}{{/-first}}{{/allOf}}{{^isEnum}}{{^oneOf}}{{^allOf}}{{>modelGeneric}}{{/allOf}}{{/oneOf}}{{/isEnum}}
 {{/model}}
 {{/models}}