Weird rule text when select the whole week and set the interval

[Aaron-Lin-74]

Reporting an issue

• Verify that you've looked through existing issues for duplicates before
  creating a new one
• Code sample reproducing the issue. Be sure to include all input values you
  are using such as the exact RRule string and dates.
  new RRule({ freq: RRule.WEEKLY, count: 0, interval: 5, wkst: RRule.TU, byweekday: [RRule.MO, RRule.TU, RRule.WE, RRule.TH, RRule.FR, RRule.SA, RRule.SU] }))
  rule.toString(): RRULE:FREQ=WEEKLY;COUNT=0;INTERVAL=5;WKST=TU;BYDAY=MO,TU,WE,TH,FR,SA,SU
  rule.toText()
• Expected output
  every 5 weeks for the whole week
• Actual output
  every 5 weeks days
• The version of rrule you are using
  2.6.4
• Your operating system
  windows 10
• Your local timezone (run $ date from the command line
  of the machine showing the bug)
  Fri Jul 15 15:05:49 AEST 2022