Add case identity filters and description validation

src/common/dto/list-query-v2.dto.ts

@@ -86,6 +86,26 @@ export class ListQueryV2Dto {
   @MaxLength(64)
   search?: string;
 
+  @ApiPropertyOptional({
+    description: "Filter cases by a phone number found on any party.",
+    example: "09121234567",
+    maxLength: 32,
+  })
+  @IsOptional()
+  @IsString()
+  @MaxLength(32)
+  phoneNumber?: string;
+
+  @ApiPropertyOptional({
+    description: "Filter cases by a national code found on any party.",
+    example: "0012345678",
+    maxLength: 32,
+  })
+  @IsOptional()
+  @IsString()
+  @MaxLength(32)
+  nationalCode?: string;
+
   @ApiPropertyOptional({
     enum: UNIFIED_FILE_STATUS_KEYS,
     description: