fixed compile errors
Bugfix: Support for Delphi 13 was broken because of wrong BplSuffix
new class function ota.CurrentEditorIsSourceEditor, used in TEditorExpert.ActionOnUpdate and .DoExecute
Started converting GxOtaXxxx functions to class functions of a new Ota class. Also added a TryGetXxx function for every GetXxx function.
new (internal) functions TryGetEditorExpertsManager and GetEditorExpertsCount, used in TMenusForEditorExperts.CreateSubMenuItems, .PopulatePopupMenu and .UpdateAction
new function TryGetGExpertsInst
new functions TryGetViewDesktopEntries and GetViewDesktopEntries
updated copyright year