Dialog: Don't reset symbol keys after onClickButton

* Resetting the keys makes typing a URL, SMB, FTP or any address
    a longer process than is necessary, especially with a remote.

Signed-off-by: Brandon McAnsh <brandonm@matricom.net>
Merge pull request #5475 from Matricom/removesymbolreset

Dialog: Don't reset symbol keys after onClickButton