[469b] Fast console not able edit message

[SeriousBuggie]

Reproduce:

1. Start UT.
2. Press talk key (Usually T)
3. Press backspace.
4. Enter 123456

Expected result: Exist way add space after Say not erase input text. Actual result: No any way edit text, without erase whole text.

Typical case - screwed up command Say,Not notice and write big text. no any way fix it and sent again.

[SeriousBarbie]

Reminds me to EDLIN *lol