feat(server): sort assets randomly from the API 'api/search/metadata' endpoint by including 'order': 'rand' in the API call. (#12741)

feat(server): search metadata random sort order

Co-authored-by: Jason Rasmussen <jason@rasm.me>

server/src/dtos/search.dto.ts

@@ -119,7 +119,15 @@ class BaseSearchDto {
   personIds?: string[];
 }
 
-export class MetadataSearchDto extends BaseSearchDto {
+export class RandomSearchDto extends BaseSearchDto {
+  @ValidateBoolean({ optional: true })
+  withStacked?: boolean;
+
+  @ValidateBoolean({ optional: true })
+  withPeople?: boolean;
+}
+
+export class MetadataSearchDto extends RandomSearchDto {
   @ValidateUUID({ optional: true })
   id?: string;
 
@@ -133,12 +141,6 @@ export class MetadataSearchDto extends BaseSearchDto {
   @Optional()
   checksum?: string;
 
-  @ValidateBoolean({ optional: true })
-  withStacked?: boolean;
-
-  @ValidateBoolean({ optional: true })
-  withPeople?: boolean;
-
   @IsString()
   @IsNotEmpty()
   @Optional()