Flaky blobs caps systemtest

Testing using debug logs ahows the extra paging works:

     2024-08-08T12:50:50.028Z    DEBUG    azblob/list.go:19    Count
     2024-08-08T12:50:50.032Z    DEBUG    azblob/list.go:31    Count 2 (0xc00056f840
     2024-08-08T12:50:50.032Z    DEBUG    azblob/list.go:36    Count 2

AB#5311

azblob/list.go

@@ -7,21 +7,27 @@ import (
 
 	azStorageBlob "github.com/Azure/azure-sdk-for-go/sdk/storage/azblob"
 
-	"github.com/datatrails/go-datatrails-common/logger"
 	"github.com/datatrails/go-datatrails-common/tracing"
 )
 
 // Count counts the number of blobs filtered by the given tags filter
 func (azp *Storer) Count(ctx context.Context, tagsFilter string, opts ...Option) (int64, error) {
 
-	logger.Sugar.Debugf("Count")
-
-	r, err := azp.FilteredList(ctx, tagsFilter, opts...)
-	if err != nil {
-		return 0, err
-	}
-
-	return int64(len(r.Items)), nil
+	var count int64
+	var m string
+	opts = append(opts, WithListMarker(&m))
+
+	for {
+		r, err := azp.FilteredList(ctx, tagsFilter, opts...)
+		if err != nil {
+			return 0, err
+		}
+		count += int64(len(r.Items))
+		if r.Marker == nil || *r.Marker == "" {
+			break
+		}
+	}
+	return count, nil
 }
 
 type FilterResponse struct {

grpcclient/client.go

@@ -21,7 +21,7 @@ func (g *Client) Open() error {
 	var conn *grpc.ClientConn
 
 	g.log.Debugf("Open %s client at %v", g.name, g.address)
-	conn, err = grpc.Dial(g.address, g.options...)
+	conn, err = grpc.Dial(g.address, g.options...) //nolint:staticcheck // See #9784
 	if err != nil {
 		return err
 	}