improvement: treatments UI/UX updated again to minimize clicking and scrolling.

backend/src/modules/treatments/dto/treatment.dto.ts

@@ -1,5 +1,4 @@
 import {
-  ArrayMinSize,
   IsArray,
   IsBoolean,
   IsDateString,
@@ -61,7 +60,6 @@ export class SaveTreatmentDetailDto {
 
 export class SaveTreatmentDraftDto {
   @IsArray()
-  @ArrayMinSize(1)
   @ValidateNested({ each: true })
   @Type(() => SaveTreatmentDetailDto)
   details: SaveTreatmentDetailDto[];