* Remove repeat password on entry edit
* Move show/hide password and password generator buttons into the field as actions.
* Register keyboard shortcut Ctrl+H to toggle password visibility
* Register keyboard shortcut Ctrl+G to open the password generator
* Cleanup code and improve interactions between elements
* Simplify Password Generator button layout; convert advanced mode button to toggle button
* Update GUI tests
* Fixes#4120
This patch implements a new database wizard to guide users through the process
of setting up a new database and choosing sane encryption settings.
It also reimplements the master key settings to be more
user-friendly. Users can now add, change, or remove individual composite
key components instead of having to set all components at once. This
avoids confusion about a password being reset if the user only wants to
add a key file.
With these changes comes a major refactor of how database composite keys and key
components are handled. Copying of keys is prohibited and each key
exists only once in memory and is referenced via shared pointers. GUI
components for changing individual keys are encapsulated into separate
classes to be more reusable. The password edit and generator widgets
have also been refactored to be more reusable.