fix(specs): remove baseRecommendRequest from trendingFacets [CR-10264] (#5858)

Co-authored-by: Thomas Raffray <Fluf22@users.noreply.github.com>

Author: raed667

specs/recommend/common/schemas/TrendingFacetsQuery.yml

@@ -1,20 +1,38 @@
 trendingFacetsQuery:
   title: Trending facet values
   allOf:
-    - $ref: './RecommendationsRequest.yml#/baseRecommendRequest'
     - $ref: '#/trendingFacets'
 
 trendingFacets:
   type: object
+  additionalProperties: false
   properties:
+    indexName:
+      $ref: '../../../common/parameters.yml#/indexName'
+    threshold:
+      type: number
+      format: double
+      minimum: 0
+      maximum: 100
+      description: Minimum score a recommendation must have to be included in the response.
+    maxRecommendations:
+      type: integer
+      minimum: 1
+      maximum: 30
+      default: 30
+      description: |
+        Maximum number of recommendations to retrieve.
+        By default, all recommendations are returned and no fallback request is made.
+        Depending on the available recommendations and the other request parameters,
+        the actual number of recommendations may be lower than this value.
     facetName:
       type: string
       description: Facet attribute for which to retrieve trending facet values.
     model:
       $ref: '#/trendingFacetsModel'
-    fallbackParameters:
-      $ref: './QueryParameters.yml#/fallbackParams'
   required:
+    - indexName
+    - threshold
     - facetName
     - model