Werk #7324: Fix inefficient event history filtering by event ID

Component	Event Console
Title	Fix inefficient event history filtering by event ID
Date	Mar 21, 2019
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	1.6.0b1 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME) 1.5.0p14 Checkmk Raw (CRE), Checkmk Enterprise (CEE), Checkmk MSP (CME)

Queries for specific event IDs were not optimized for the event history queries which are issues e.g. by the GUI when clicking on the detail page of one event.

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