Search API provides internal on elastic search errors

[bhermann]

Describe the bug
When a query fails the error is returned in the result to the client.

To Reproduce
Steps to reproduce the behavior:

1. Produce a search query with a limit > 10000.
2. The resulting ElasticError is just passed along.

Expected behavior
Hide unknown errors and give reasonable messages for other cases (e.g. request window (limit) set too high)

Screenshots
n/a

Affected components (if known)
webapi, cli

Desktop (please complete the following information, if relevant):
n/a

Smartphone (please complete the following information, if relevant):
n/a

Additional context
none

[bhermann]

@hariharansrc What is the status of this? If this is still open, can you work on this please?

[johannesduesing]

Closed with #59