fix: logcli: Check for errors before checking for `exists` when fetching data (#14780)

pkg/logcli/query/query.go

@@ -553,12 +553,12 @@ func LoadSchemaUsingObjectClient(oc chunk.ObjectClient, name string) (*config.Sc
 	defer cancel()
 
 	ok, err := oc.ObjectExists(ctx, name)
-	if !ok {
-		return nil, errNotExists
-	}
 	if err != nil {
 		return nil, err
 	}
+	if !ok {
+		return nil, errNotExists
+	}
 
 	rdr, _, err := oc.GetObject(ctx, name)
 	if err != nil {