message: Make hints skippable by double-click
  (fixes
diff: @@ -140,9 +140,9 @@ function loadHint (hint: ChallengeHint): HTMLElement {
  return wrapper
  }
  -async function waitForClick (element: HTMLElement) {
  +async function waitForDoubleClick (element: HTMLElement) {
  return await new Promise((resolve) => {
  - element.addEventListener('click', resolve)
  + element.addEventListener('dblclick', resolve)
  })
  }
  @@ -174,7 +174,7 @@ export async function startHackingInstructorFor (challengeName: String): Promise
  ]
  if (!hint.unskippable) {
  - continueConditions.push(waitForClick(element))
  + continueConditions.push(waitForDoubleClick(element))
  }
  continueConditions.push(waitForCancel(document.getElementById('cancelButton')))
  