fixed component type dropdown in swagger

application/src/main/java/org/thingsboard/server/controller/ComponentDescriptorController.java

@@ -68,7 +68,7 @@ public class ComponentDescriptorController extends BaseController {
     @RequestMapping(value = "/components/{componentType}", method = RequestMethod.GET)
     @ResponseBody
     public List<ComponentDescriptor> getComponentDescriptorsByType(
-            @Parameter(description = "Type of the Rule Node", schema = @Schema(allowableValues = {"ENRICHMENT", "FILTER,TRANSFORMATION", "ACTION,EXTERNAL"}, requiredMode = Schema.RequiredMode.REQUIRED))
+            @Parameter(description = "Type of the Rule Node", schema = @Schema(allowableValues = {"ENRICHMENT", "FILTER", "TRANSFORMATION", "ACTION", "EXTERNAL"}, requiredMode = Schema.RequiredMode.REQUIRED))
             @PathVariable("componentType") String strComponentType,
             @Parameter(description = "Type of the Rule Chain", schema = @Schema(allowableValues = {"CORE", "EDGE"}))
             @RequestParam(value = "ruleChainType", required = false) String strRuleChainType) throws ThingsboardException {