Bloom gateway: Fix bug in removal of filtered out chunks

After chunks were successfully filtered, the bug was within the removal
of the chunks from the original list. It only filtered out the chunks
from the last partial response from the block querier.

Signed-off-by: Christian Haudum <[email protected]>

pkg/bloomgateway/bloomgateway.go

@@ -352,7 +352,7 @@ func (g *Gateway) FilterChunkRefs(ctx context.Context, req *logproto.FilterChunk
 			// wait for all parts of the full response
 			if len(responses) == requestCount {
 				for _, o := range responses {
-					if res.Removals.Len() == 0 {
+					if o.Removals.Len() == 0 {
 						continue
 					}
 					// we must not remove items from req.Refs as long as the worker may iterater over them