Merge branch '2280-fix-commit-search' into 'master'

Fix commit search on some elasticsearch indexes

Closes #2280

See merge request !1745

app/models/concerns/elastic/repositories_search.rb

@@ -55,7 +55,7 @@ module Elastic
 
         commits = response.map do |result|
           sha = result["_source"]["commit"]["sha"]
-          project_id = result["_source"]["commit"]["rid"]
+          project_id = result["_source"]["commit"]["rid"].to_i
 
           projects[project_id].try(:commit, sha)
         end.compact

changelogs/unreleased-ee/2280-fix-commit-search.yml

+---
+title: Fix commit search on some elasticsearch indexes
+merge_request: 1745
+author: