Using "Save Edits" forces save as binary

**Describe the bug**
Doing a "Save Edits" in the layer editor forces the file to be resaved in binary format, even if the original file was ascii.

**Steps to reproduce**
1.) Open a .usd (ascii format) file as a stage in maya
2.) Make a minor edit to one of the prims
3.) Right click on the layer in "Layer Editor" and choose "Save Edits"
4.) Observe the ascii in the file is now binary

**Expected behavior**
I would expect Save Edits to not change the existing format. ASCII files would stay ASCII and binary files would stay binary

**Specs (if applicable):**
Windows 11
Maya 2024
maya_usd 0.35