chore(query-builder): Made conditionName optional

Author: Otixa

CHANGELOG.md

@@ -14,7 +14,7 @@ All notable changes for each version of this project will be documented in this
     - Added support for showing/hiding the indicator controls (dots). Can be configured via the `indicators` property. Defaults to `true`.
 
 - `IFilteringExpression`
-    - **Breaking Change** There is a new `conditionName` property which is required. This would generally be equal to the old `condition.name`.
+    - A new optional property called `conditionName` has been introduced. This would generally be equal to the existing `condition.name`.
 
 
 #### Scrollbar: New CSS variables

projects/igniteui-angular/src/lib/data-operations/filtering-expression.interface.ts

@@ -16,7 +16,7 @@ export enum FilteringLogic {
 export declare interface IFilteringExpression {
     fieldName: string;
     condition?: IFilteringOperation;
-    conditionName: string;
+    conditionName?: string;
     searchVal?: Serializable;
     searchTree?: IExpressionTree;
     ignoreCase?: boolean;