load-mocks: fix tsdb reference after refactor
load-mocks: fix tsdb reference after refactor

> AttributeError: 'module' object has no attribute 'record_frequency_multi'

gencer/sentry,looker/sentry,mvaled/sentry,jean/sentry,ifduyue/sentry,mvaled/sentry,gencer/sentry,looker/sentry,beeftornado/sentry,mvaled/sentry,JamesMura/sentry,JamesMura/sentry,jean/sentry,looker/sentry,mvaled/sentry,gencer/sentry,ifduyue/sentry,jean/sentry,JamesMura/sentry,mvaled/sentry,JackDanger/sentry,looker/sentry,looker/sentry,beeftornado/sentry,jean/sentry,mvaled/sentry,JackDanger/sentry,gencer/sentry,ifduyue/sentry,ifduyue/sentry,JackDanger/sentry,JamesMura/sentry,gencer/sentry,beeftornado/sentry,JamesMura/sentry,jean/sentry,ifduyue/sentry