Werk #7900: BI: Fix "Request-URI Too Long" after creating BI rule

Component Setup
Title BI: Fix "Request-URI Too Long" after creating BI rule
Date Jun 27, 2019
Checkmk Edition Checkmk Raw (CRE)
Checkmk Version 1.5.0p20 1.6.0b3 2.0.0i1
Level Trivial Change
Class Bug Fix
Compatibility Compatible - no manual interaction needed

When creating a BI rule in WATO and clicking on the icon button to show the rule tree, this could lead to an HTTP Request-URI too long error.

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