[v11.0.x] Loki: Fix log context when no label types are present #87600
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Backport 1c8a77a from #87587
What is this feature?
LogContext uses the
labelTypes
data frame field to determine if a label should be used in a streamselector or as a label filter expression. When thelabelTypes
field is not present, we incorrectly assumed all labels are "non indexed" and we would use all labels as label filter expressions.This PR fixes the behavior. If the label type can not be determined, the label will be used as an indexed label and thus in the stream selector.