In the Editor details panel for a float, When entering a decimal of 18 numbers results in incorrect truncation.

In Editor details panels for a float value, when entering a decimal of 18 numbers results in incorrect truncation.

1. Open Unreal Engine Version 4.21, Create a new blank blueprint project.
2. In the editor, drag a piece of geometry to the level (Cube.)
3. Open it's properties in the details window and find a float property. (Transform)
4. Enter 0.333333333333333333 (18 decimal places). Note it truncates to 0.333333 as expected.
5. Now enter 0.3333333333333333333 (19 decimal places).

Result: The value gets truncated to some weird large number ("23690.277344")

Expected:The value should get truncated to 0.333333