RTL MaskedTextBox is ignored when using decimal separator - adds an extra masked character

[kendo-bot]

Bug report

Ticket ID: 1468919

Current behavior

Using a mask "###,###,###,###,### and entering 1000 an additional character appears:

___,___,___,___,_1 then ___,___,___,___,10 then '___,___,___,__,100 then ___,___,___,_100,0

Expected behavior

___,___,___,___,_1 then ___,___,___,___,10 then '___,___,___,__,100 then ___,___,__1,000

Minimal reproduction of the problem with instructions

Dojo

• Enter 1000
• see an additional digit with a separator appear as you add the last zero

Environment

kendo version 2020.2.513