ExpandGFFCLI expands by border when center selected

[owlang]

Toggle the logic so that selection of center expands from the center, not by the border.

See scriptmanager.cli.Coordinate_Manipulation/GFF_Manipulation/ExpandGFFCLI.java:

scriptmanager/src/main/java/scriptmanager/cli/Coordinate_Manipulation/GFF_Manipulation/ExpandGFFCLI.java

Line 100 in 12d8d9f

byCenter = false;