fix(clients): initialize page variable in Ruby helpers (#5370)

Co-authored-by: Thomas Raffray <[email protected]>

Author: kai687

templates/ruby/search_helpers.mustache

@@ -128,7 +128,8 @@ end
 def browse_rules(index_name, search_rules_params = Search::SearchRulesParams.new, request_options = {}, &block)
   search_rules_params = api_client.object_to_hash(search_rules_params)
 
-  search_rules_params[:hitsPerPage] = 1000 unless search_rules_params.key?(:hitsPerPage)
+  search_rules_params[:page] ||= 0
+  search_rules_params[:hitsPerPage] ||= 1000
 
   rules = []
   loop do
@@ -156,7 +157,8 @@ end
 def browse_synonyms(index_name, search_synonyms_params = Search::SearchSynonymsParams.new, request_options = {}, &block)
   search_synonyms_params = api_client.object_to_hash(search_synonyms_params)
 
-  search_synonyms_params[:hitsPerPage] = 1000 unless search_synonyms_params.key?(:hitsPerPage)
+  search_synonyms_params[:page] ||= 0
+  search_synonyms_params[:hitsPerPage] ||= 1000
 
   synonyms = []
   loop do