Fixed api base path in react app. (#131)

Co-authored-by: Sofia Shnaidman <sshnaidman@provectus.com>

kafka-ui-react-app/src/lib/constants.ts

@@ -1,7 +1,7 @@
 import { ConfigurationParameters } from 'generated-sources';
 
 export const BASE_PARAMS: ConfigurationParameters = {
-  basePath: process.env.REACT_APP_API_URL,
+  basePath: process.env.REACT_APP_API_URL || '',
   credentials: 'include',
   headers: {
     'Content-Type': 'application/json',

pom.xml

@@ -24,7 +24,7 @@
 		<dockerfile-maven-plugin.version>1.4.10</dockerfile-maven-plugin.version>
 		<frontend-maven-plugin.version>1.8.0</frontend-maven-plugin.version>
 		<maven-compiler-plugin.version>3.5.1</maven-compiler-plugin.version>
-		<openapi-generator-maven-plugin.version>4.2.2</openapi-generator-maven-plugin.version>
+		<openapi-generator-maven-plugin.version>4.3.0</openapi-generator-maven-plugin.version>
 		<swagger-annotations.version>1.6.0</swagger-annotations.version>
 		<springdoc-openapi-webflux-ui.version>1.2.32</springdoc-openapi-webflux-ui.version>
 		<kafka.version>2.4.1</kafka.version>