fix(types): Updated type in accordance to implementation

Author: JayLim2

src/types/internal/compare.ts

@@ -62,6 +62,9 @@ export interface OperationChanges<T extends DiffType | DiffTypeDto = DiffType> {
   metadata?: OperationChangesMetadata & {
     [key: string]: unknown
   }
+  previousMetadata?: OperationChangesMetadata & {
+    [key: string]: unknown
+  } 
 }
 
 export interface OperationChangesDto extends Omit<OperationChanges<DiffTypeDto>, 'diffs' | 'impactedSummary' | 'mergedJso'> {

src/utils/transformToDto.ts

@@ -134,6 +134,7 @@ export function toChangeMessage(diff: ArrayType<Diff[]>, logError: (message: str
 
 export function toOperationChangesDto({
   diffs,
+  // eslint-disable-next-line @typescript-eslint/no-unused-vars
   impactedSummary,
   ...rest
 }: OperationChanges, logError: (message: string) => void): OperationChangesDto {