Intelligently wait until previous deletion has completed

[recursionbane]

Thank you for this tool! I am here to suggest an improvement.

The current iteration with timers between deletion cycles is somewhat clunky, and does not take machine performance and network latency into account.

Recommended change is to wait until the "Moving X images" prompt disappears from the DOM before attempting the next deletion cycle.

[recursionbane]

I made some other changes like removing the limit of retries in this fork: https://github.com/recursionbane/google-photos-delete-tool

[mrishab]

Sounds amazing. Can you make a PR back into the project with this change?