Add a command to show the symbol replacement (PR #9287)
* Add a command to show the symbol replacement for the current speech language
* It is available in the text review category of the input gestures dialog.
* In the symbol itself, corresponding to the character where the review cursor is placed, and the replacement, are shown in browse mode
* The title of the browse mode dialog contains the language for the current voice, i.e., the language for which the symbols can be edited from Preferences submenu
