Decimal point does not show up for a spin box when using virtual keyboard on Android devices

When the user clicks on a spin box and then goes to change it on a mobile device. The decimal point does not show up. This can make it hard to determine were exactly the decimal point will show up in the end result

Tested on: Samsung Galaxy S5

Device number: 5056

1. Open Editor
2. Create a new widget blueprint
3. Add a Spin Box to the designer tab
4. Compile and save
5. Open Level Blueprint
6. Add The new widget blueprint to the view port on begin play
7. Launch on to Android device
8. Tap the Spin Box
9. Tap the text field to enter a number
10. Notice that the number is not showing the decimal point

Expected: The Decimal point would show up on the mobile device when entering a number into the spin box
Result: All of the numbers are shown but the decimal point is missing