fix(search): update OR-group tests to use comma delimiter

Reflect the corrected OR-group encoding: comma-separated alternatives
within a single tag string (e.g. cat%2Cdog) instead of pipe.

Author: AlejandroAkbal

src/booru/dto/booru-queries.dto.spec.ts

@@ -12,21 +12,21 @@ describe('booruQueryValuesPostsDTO', () => {
       expect(dto.tags).toEqual(['panty_&_stocking_with_garterbelt'])
     })
 
-    it('should preserve pipe-separated OR-group tokens as a single element and decode each part', () => {
+    it('should preserve comma-separated OR-group as a single element and decode each part', () => {
       const dto = plainToInstance(booruQueryValuesPostsDTO, {
-        tags: 'panty_%26_stocking_with_garterbelt|rating%3Asafe'
+        tags: 'panty_%26_stocking_with_garterbelt%2Cblue_hair'
       })
 
-      expect(dto.tags).toEqual(['panty_&_stocking_with_garterbelt|rating:safe'])
+      expect(dto.tags).toEqual(['panty_&_stocking_with_garterbelt,blue_hair'])
     })
 
-    it('should normalize array tag inputs and keep OR-group tokens intact', () => {
+    it('should normalize array tag inputs and keep comma OR-group tokens intact', () => {
       const dto = plainToInstance(booruQueryValuesPostsDTO, {
-        tags: ['panty_%26_stocking_with_garterbelt|rating%3Asafe', 'score%3A%3E100']
+        tags: ['panty_%26_stocking_with_garterbelt%2Cblue_hair', 'score%3A%3E100']
       })
 
       expect(dto.tags).toEqual([
-        'panty_&_stocking_with_garterbelt|rating:safe',
+        'panty_&_stocking_with_garterbelt,blue_hair',
         'score:>100'
       ])
     })
@@ -75,4 +75,4 @@ describe('booruQueryValuesPostsDTO', () => {
       expect(dto.tags).toBeNull()
     })
   })
-})
+})