fix: mock brower event about issues 1327

fix https://github.com/testing-library/dom-testing-library/issues/1327

this pr is about mock brower event, it is a possible solutions to the https://github.com/testing-library/dom-testing-library/issues/1327) issues

What: This PR adds two new lifecycle methods, before and cond, developers only need to control these two lifecycles to simulate most browser behaviors.. on top of the existing ones to simulate browser events. This is just a draft; please do not merge.

Why:

The events in dom-testing-library are encapsulated based on the native Event class. However, when there are conflicts between this Event and native DOM events, it may not fully replicate the behavior.

How:

Checklist:

[ ] Documentation added to the docs site
[ ] Tests
[ ] TypeScript definitions updated
[ ] Ready to be merged

before this pr, it will trigger dragstar and dragover event ,it is error because dragstart is prevent，it should only trigger dragstart event after this pr ,when i test this case ,it 'll be as expect


test('assigns dataTransfer properties', () => {
  const node = document.createElement('div')
  node.addEventListener('dragstart', (e)=>{
    e.preventDefault()
  })
  node.addEventListener('dragover', (e)=>{
    console.log("dragOver:-------------")
  })
  fireEvent.dragStart(node, {dataTransfer: {dropEffect: 'move'}})
  fireEvent.dragOver(node, {dataTransfer: {dropEffect: 'move'}})
})

testing-library / dom-testing-library

fix: mock brower event about issues 1327 #1328