Home screen ticks (#3047)
Home screen ticks (#3047)

* Minor ui fixes

* Add focused class to import

* Add tick event for when a project is renamed using the save and exit dialog

* Other home screen ticks

playi/pxt,playi/pxt,switch-education/pxt,switch-education/pxt,Microsoft/pxt,switchinnovations/pxt,switch-education/pxt,playi/pxt,Microsoft/pxt,Microsoft/pxt,switch-education/pxt,switch-education/pxt,switchinnovations/pxt,switchinnovations/pxt,Microsoft/pxt,switchinnovations/pxt,playi/pxt,Microsoft/pxt