The property for Form real control field, "Min No Of Decimals" and "Min No Of Decimals Mode" are not effective for extension fields.

The workaround using NoOfDecimals property does not work when customer wants to hide unneccesary zero.

Please fix this issue in the future release.

Related KB (The positions of the digits of the numbers do not match, if Number of decimal places is different)

https://fix.lcs.dynamics.com/Issue/Details/1162834?bugId=300637