Add feature vm.expectNoEmit

[NicolasWent]

Component

Forge

Describe the feature you would like

Hello,

It would be nice to have a new cheatcode vm.expectNoEmit

This cheatcode would allow to test that no event was actually emited during the execution

Additional context

This feature can be useful if we like to test that our function doesn't do anything, currently I didn't found a way to do it

[grandizzy]

@NicolasWent thank you for the report. This is coming soon by adding count (which you can set to 0) on expectEmit with #9405
Closing as dupe for #509 Thank you!