Werk #13290: Fixed broken SLA painters in customize view

Component	User interface
Title	Fixed broken SLA painters in customize view
Date	Jan 28, 2022
Level	Trivial Change
Class	Bug Fix
Compatibility	Compatible - no manual interaction needed
Checkmk versions & editions	2.1.0b1 Checkmk Enterprise (CEE), Checkmk MSP (CME) 2.0.0p20 Checkmk Enterprise (CEE), Checkmk MSP (CME)

The sla painters Host/Services: SLA - Column specific and Host/Services: SLA - Service specific were broken, showing up not at all or displaying incorrect painter titles in the dropdown menu.

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