Finishes merging of current settings to load all from file, update for display, save to singleton. Also adds currently hard-coded (in the GlobalSaveInstance) file name based on themes choice for use in all control nodes.
Applies that theme load to all current control nodes.
Settings implementation is in progress. Currently loads and displays from expected user://PlayerPreferences.cfg at application start, but just the inputName and riskFactor.
8/14/22 (1513 EST): creates MergedDemo, so far combining Import Character into New Game.
Includes a modification of themes, change of script name from grabFocus.gd --> ImportCharacter.gd and mods for writing the char sheet out with semicolon (;) line ends and colon (:) dividers from keys and values for now.
