Warning message about invalid jsonConfig

[MiSchroe]

Describe the bug
A warning message about an invalid jsonConfig is logged by the Admin adapter

To Reproduce
Steps to reproduce the behavior:

1. Install Admin adapter 7.1.5
2. Open the settings dialog of the klf200 adapter.
3. Check the log.

Expected behavior
The warning shouldn't be logged.

Screenshots & Logfiles

klf200 has an invalid jsonConfig: [{"instancePath":"/items/optionstab/items/automaticRebootCronTime","schemaPath":"#/definitions/cronProps/oneOf","keyword":"oneOf","params":{"passingSchemas":[0,1]},"message":"must match exactly one schema in oneOf"},{"instancePath":"/items/optionstab","schemaPath":"#/properties/items/patternProperties/%5E.%2B/allOf/9/if","keyword":"if","params":{"failingKeyword":"then"},"message":"must match \"then\" schema"},{"instancePath":"","schemaPath":"#/if","keyword":"if","params":{"failingKeyword":"then"},"message":"must match \"then\" schema"}]

Versions:

• Adapter version: 1.3.1
• Admin version: 7.1.5

Additional context
Add any other context about the problem here.