BookmarkTypeDB getBookmarkType(int typeID) {
		return (BookmarkTypeDB) typesArray.get(typeID);
	}
Update stored bookmark and fire program change event for a bookmark which has
had its category or comment changed.  All other fields are immutable.
@param bm bookmark
Ghidra/Framework/SoftwareModeling/src/main/java/ghidra/program/database/bookmark/BookmarkDBManager.java