Does changing my address and getting a visa extension affect my 90-day report due date in Thailand?

Here's how you figure out if getting a new extension re-sets your 90 day report or not:

You got a new 90 day report receipt when you did your extension with a new date to report <- YES the extension reset your reporting

You did NOT get a new 90 day report receipt when you did your extension <- NO the extension didn't reset your reporting.

SO the real question IS

When you got your extension DID you get a new 90 day report receipt with a new 90 day report date on it or not?

90 day reporting is not related to any other Immigration matter. So your 90 day report remains the same. 90 day report only stops and restart at day 1 as you leave and reenter the country.

i not understand what you mean. You talk about a 90 day report, which is you land in Thailand as day number 1, you walk around inside Thailand, did not pass a border for 90 days and than you report at Immigration. This period of 90 days does not change if you move address or get a stamp in your passport. It stays 90 days.