propresenter: Update Clock +/- time functionality broken

[MidWestTexan]

Describe the bug/issue When attempting to add or subtract time to a countdown timer, the timer only updates in one second increments negativly (30, 29, 28...etc) no matter formatting or +/- used.

To Reproduce Steps to reproduce the behavior:

1. Add "propresenter: Update Clock" action to button
2. Add correct Clock Name and Clock Number
3. Set increase/decrease time by variable (+00:01:00 for 1 minute)
4. Over Run set to True
5. Clock Type set to Countdown Timer
6. Clock Time set to 24Hr
7. Elapsed End Time is blank
8. Press button to fire action

Expected behavior Using above example, the timer should add 1 minute to itself.

Screenshots Please add screenshots (or full text descriptions) showing:

• ProPresenter playlist/presentations used
• ProPresenter module config.
• The config of any Buttons used.
• Config of any variables used.
• Config of any triggers used.

Versions/Environment (please complete the following information):

• ProPresenter Version 7.16.2
• OS of ProPresenter Machine: Windows 10
• Companion Version 3.3.1 (3.3.1+7001-stable-ee7c3daa)
• OS of Companion machine Mac OS 12.7.2
• Debug log output when issue occurs:

  debug: Sending JSON: {"action":"clockUpdate","clockIndex":"0","clockTime":"00:00:682","clockOverrun":"true","clockType":"0","clockIsPM":"2","clockTimePeriodFormat":"2","clockElapsedTime":"","clockName":"Timer"}
  warn: Unexpected end of JSON input

*Any Other Context None