Remove css transition on section children
Remove css transition on section children

Completes 9c0c54fee25c2c02223258de71e4561456f75b56
Fixes #1474

gef756/beaker-notebook,vital-ai/beaker-notebook,bradparks/beaker-notebook,mattyb149/beaker-notebook,vital-ai/beaker-notebook,sirinath/beaker-notebook,vital-ai/beaker-notebook,codeaudit/beaker-notebook,ScottPJones/beaker-notebook,bradparks/beaker-notebook,sirinath/beaker-notebook,vital-ai/beaker-notebook,gef756/beaker-notebook,brosander/beaker-notebook,Chasego/beaker-notebook,maxyeg/beaker-notebook,Chasego/beaker-notebook,maxyeg/beaker-notebook,ScottPJones/beaker-notebook,codeaudit/beaker-notebook,ScottPJones/beaker-notebook,mattyb149/beaker-notebook,sirinath/beaker-notebook,brosander/beaker-notebook,vital-ai/beaker-notebook,Chasego/beaker-notebook,codeaudit/beaker-notebook,bradparks/beaker-notebook,codeaudit/beaker-notebook,mattyb149/beaker-notebook,ScottPJones/beaker-notebook,brosander/beaker-notebook,Chasego/beaker-notebook,mattyb149/beaker-notebook,sirinath/beaker-notebook,codeaudit/beaker-notebook,Chasego/beaker-notebook,maxyeg/beaker-notebook,sirinath/beaker-notebook,Chasego/beaker-notebook,maxyeg/beaker-notebook,maxyeg/beaker-notebook,codeaudit/beaker-notebook,Chasego/beaker-notebook,ScottPJones/beaker-notebook,mattyb149/beaker-notebook,gef756/beaker-notebook,gef756/beaker-notebook,vital-ai/beaker-notebook,gef756/beaker-notebook,mattyb149/beaker-notebook,brosander/beaker-notebook,sirinath/beaker-notebook,brosander/beaker-notebook,vital-ai/beaker-notebook,gef756/beaker-notebook,mattyb149/beaker-notebook,bradparks/beaker-notebook,sirinath/beaker-notebook,brosander/beaker-notebook,maxyeg/beaker-notebook,bradparks/beaker-notebook,gef756/beaker-notebook,bradparks/beaker-notebook,bradparks/beaker-notebook,brosander/beaker-notebook