[Backport main] Bugfix/metric-loading-loop (#1309) #514

Job	Run time
Run test group of app_analytics_test	22m 45s
Run test group of datasources_test	11m 29s
Run test group of event_analytics_test	23m 56s
Run test group of integrations_test	11m 32s
Run test group of metrics_analytics_test	11m 44s
Run test group of notebooks_test	48m 57s
Run test group of panels_test	24m 21s
Run test group of trace_analytics_test	28m 15s
	3h 2m 59s

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