Followup fix for importFileExtension config for typescript-axios (#21541)

Author: GenFlogi

modules/openapi-generator/src/main/resources/typescript-axios/api.mustache

@@ -17,7 +17,7 @@ import FormData from 'form-data'
 {{/withNodeImports}}
 // Some imports not used depending on template conditions
 // @ts-ignore
-import { DUMMY_BASE_URL, assertParamExists, setApiKeyToObject, setBasicAuthToObject, setBearerAuthToObject, setOAuthToObject, setSearchParams, serializeDataIfNeeded, toPathString, createRequestFunction } from './common';
+import { DUMMY_BASE_URL, assertParamExists, setApiKeyToObject, setBasicAuthToObject, setBearerAuthToObject, setOAuthToObject, setSearchParams, serializeDataIfNeeded, toPathString, createRequestFunction } from './common{{importFileExtension}}';
 import type { RequestArgs } from './base{{importFileExtension}}';
 // @ts-ignore
 import { BASE_PATH, COLLECTION_FORMATS, BaseAPI, RequiredError, operationServerMap } from './base{{importFileExtension}}';