[Log Parsing Pipelines] Pipelines filter case sensitve in otel collector.

[nityanandagohain]

If my filter is body contains exception it's a valid query to clickhouse as we convert it internally to body ilike 'exception' . But when we convert it to otel config correct result is not set it remains body contains exception which results in wrong simulation results.

i.e logs containing Exception will not be captured by otel collector.