base: Remove series from grids when closing metrics
base: Remove series from grids when closing metrics

Otherwise grids will continue to request data and metric
will repoen immediately after closing.

Closes #8242
cockpituous/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,moraleslazaro/cockpit,martinpitt/cockpit,cockpituous/cockpit,Scribery/cockpit,andreasn/cockpit,stefwalter/cockpit,mvollmer/cockpit,moraleslazaro/cockpit,Scribery/cockpit,petervo/cockpit,petervo/cockpit,moraleslazaro/cockpit,andreasn/cockpit,deryni/cockpit,garrett/cockpit,garrett/cockpit,deryni/cockpit,martinpitt/cockpit,andreasn/cockpit,stefwalter/cockpit,cockpit-project/cockpit,cockpit-project/cockpit,martinpitt/cockpit,stefwalter/cockpit,garrett/cockpit,mareklibra/cockpit,petervo/cockpit,cockpituous/cockpit,SotolitoLabs/cockpit,cockpituous/cockpit,mareklibra/cockpit,martinpitt/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,petervo/cockpit,cockpit-project/cockpit,deryni/cockpit,mvollmer/cockpit,martinpitt/cockpit,stefwalter/cockpit,mvollmer/cockpit,cockpituous/cockpit,deryni/cockpit,SotolitoLabs/cockpit,mareklibra/cockpit,stefwalter/cockpit,garrett/cockpit,stefwalter/cockpit,petervo/cockpit,deryni/cockpit,deryni/cockpit,stefwalter/cockpit,andreasn/cockpit,andreasn/cockpit,petervo/cockpit,moraleslazaro/cockpit,Scribery/cockpit,moraleslazaro/cockpit,mareklibra/cockpit,Scribery/cockpit,Scribery/cockpit,moraleslazaro/cockpit,mareklibra/cockpit,Scribery/cockpit,mareklibra/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,SotolitoLabs/cockpit,Scribery/cockpit,cockpituous/cockpit,andreasn/cockpit,petervo/cockpit,andreasn/cockpit,mvollmer/cockpit,SotolitoLabs/cockpit,deryni/cockpit,garrett/cockpit