Use plural path for alarm rules by entity endpoint

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

@@ -150,7 +150,7 @@ public class AlarmRuleController extends BaseController {
     @ApiOperation(value = "Get Alarm Rules by Entity Id (getAlarmRulesByEntityId)",
             notes = "Fetch the Alarm Rules based on the provided Entity Id." + TENANT_AUTHORITY_PARAGRAPH)
     @PreAuthorize("hasAuthority('TENANT_ADMIN')")
-    @GetMapping(value = "/alarm/rule/{entityType}/{entityId}")
+    @GetMapping(value = "/alarm/rules/{entityType}/{entityId}")
     public PageData<AlarmRuleDefinition> getAlarmRulesByEntityId(
             @Parameter(description = ENTITY_TYPE_PARAM_DESCRIPTION, required = true, schema = @Schema(defaultValue = "DEVICE")) @PathVariable("entityType") String entityType,
             @Parameter(description = ENTITY_ID_PARAM_DESCRIPTION, required = true) @PathVariable("entityId") String entityIdStr,

ui-ngx/src/app/core/http/alarm-rules.service.ts

@@ -56,7 +56,7 @@ export class AlarmRulesService {
   }
 
   public getAlarmRulesByEntityId({ entityType, id }: EntityId, pageLink: PageLink, config?: RequestConfig): Observable<PageData<CalculatedField>> {
-    return this.http.get<PageData<CalculatedField>>(`/api/alarm/rule/${entityType}/${id}${pageLink.toQuery()}`, defaultHttpOptionsFromConfig(config));
+    return this.http.get<PageData<CalculatedField>>(`/api/alarm/rules/${entityType}/${id}${pageLink.toQuery()}`, defaultHttpOptionsFromConfig(config));
   }
 
   public testScript(inputParams: CalculatedFieldTestScriptInputParams, config?: RequestConfig): Observable<EntityTestScriptResult> {