[Refactoring]: Create preference for default light shape in LightSyntax

[cwisniew]

Describe the problem

Create preference for default light shape in LightSyntax

maptool/src/main/java/net/rptools/maptool/util/LightSyntax.java

Lines 258 to 266 in 229861f

	// region Individual light properties
	ShapeType shape = ShapeType.CIRCLE; // TODO: Make a preference for default shape
	double width = 0;
	double arc = 0;
	double offset = 0;
	boolean gmOnly = false;
	boolean ownerOnly = false;
	String distance;
	// endregion

The improvement you'd like to see

Create preference for default light shape in LightSyntax

Expected Benefits

Flexibility

Additional Context

No response