go: sqle/clusterdb: Fix spurious error logs. Interact with quiescable events database protocol.

[reltuk]

This also enables quiesced event reloads even when cluster replication is enabled.

[coffeegoddd]

@reltuk DOLT

read_tests	from_latency	to_latency	percent_change
covering_index_scan	2.3	2.3	0.0
groupby_scan	137.35	139.85	1.82
index_join	2.0	2.0	0.0
index_join_scan	1.37	1.37	0.0
index_scan	215.44	215.44	0.0
oltp_point_select	0.25	0.25	0.0
oltp_read_only	4.91	4.91	0.0
select_random_points	0.54	0.54	0.0
select_random_ranges	0.62	0.62	0.0
table_scan	196.89	193.38	-1.78
types_table_scan	450.77	450.77	0.0

write_tests	from_latency	to_latency	percent_change
oltp_delete_insert	6.09	6.09	0.0
oltp_insert	3.13	3.13	0.0
oltp_read_write	11.24	11.24	0.0
oltp_update_index	3.25	3.25	0.0
oltp_update_non_index	2.97	2.97	0.0
oltp_write_only	6.21	6.21	0.0
types_delete_insert	6.79	6.79	0.0

[coffeegoddd]

@reltuk DOLT

comparing_percentages
100.000000 to 100.000000

version	result	total
65ca8d1	ok	5937471

version	total_tests
65ca8d1	5937471

correctness_percentage
100.0

[coffeegoddd]

@reltuk DOLT

test_name	from_latency_p95	to_latency_p95	percent_change
tpcc-scale-factor-1	46.63	46.63	0.0

test_name	from_server_name	from_server_version	from_tps	to_server_name	to_server_version	to_tps	percent_change
tpcc-scale-factor-1	dolt	b940e75	52.53	dolt	65ca8d1	51.81	-1.37