give issue filters a longer description in the view

git-svn-id: https://dev.finn.de/svn/cockpit/branches/reporting_merge@1275 7926756e-e54e-46e6-9721-ed318f58905e

app/models/cost_query/filter/issue_id.rb

@@ -2,6 +2,6 @@ class CostQuery::Filter::IssueId < CostQuery::Filter::Base
   label :field_issue
 
   def self.available_values
-    Issue.all.map { |i| ["##{i.id} #{i.subject.length>24 ? i.subject.first(20)+'...': i.subject}", i.id] }
+    Issue.all.map { |i| ["##{i.id} #{i.subject.length>30 ? i.subject.first(26)+'...': i.subject}", i.id] }
   end
 end