add read permission check

Author: dmaity-celestialsys

lib/travis/api/v3/permissions/build.rb

@@ -11,7 +11,7 @@ def restart?
     end
 
     def prioritize?
-      build_priorities?
+      read? && build_priorities?
     end
   end
 end

lib/travis/api/v3/permissions/job.rb

@@ -19,7 +19,7 @@ def delete_log?
     end
 
     def prioritize?
-      build_priorities?
+      read? && build_priorities?
     end
   end
 end