Ignore __input_ext

Same input == same input_ext, we don't need to search for this and I
don't think this necessarily works when queuing up inputs ?
We'd have to set this when the job actually dispatches if we're serious
about this.

Author: mvdbeek

lib/galaxy/managers/jobs.py

@@ -368,7 +368,7 @@ def stop(self, job, message=None):
 class JobSearch:
     """Search for jobs using tool inputs or other jobs"""
 
-    IGNORED_NON_JOB_PARAMETERS = ("__use_cached_job__", "__workflow_invocation_uuid__", "__when_value__")
+    IGNORED_NON_JOB_PARAMETERS = ("__use_cached_job__", "__workflow_invocation_uuid__", "__when_value__", "__input_ext")
 
     def __init__(
         self,