feat(purchases): update terminology from "محصول" to "کالا" in purchase forms and templates

refactor(purchases): remove unused purchase receipt components and consolidate receipt template logic

fix(suppliers): enhance suppliers select component to support full data option values

style(tailwind): improve theme variables for better customization and consistency

feat(shared): introduce abstract select component for reusable select field logic

chore(purchases): clean up imports and improve component structure for better maintainability

src/app/uikit/datepicker/datepicker.component.html

@@ -1,4 +1,10 @@
-<uikit-field [label]="label" [control]="control" class="w-full datepicker">
+<uikit-field
+  [label]="label"
+  [control]="control"
+  [showLabel]="showLabel"
+  [showErrors]="showErrors"
+  class="w-full datepicker"
+>
   <div #wrapper [attr.data-disable]="disabled" [attr.data-name]="name" class="w-full">
     <input pInputText data-input [attr.placeholder]="placeholder" [name]="name" class="w-full" />
   </div>

src/app/uikit/datepicker/datepicker.component.ts

@@ -28,6 +28,8 @@ export class UikitFlatpickrJalaliComponent implements OnInit {
   @Input() disabled = false;
   @Input() name: string = 'datepicker';
   @Input() options: Partial<BaseOptions> = {};
+  @Input() showLabel: boolean = true;
+  @Input() showErrors: boolean = true;
 
   @Output() valueChange = new EventEmitter<string>();