Workaround for compile error in clang 13 on macOS (#1485)

Fixes #1482

Jolt/Core/Color.h

@@ -12,7 +12,7 @@ class Color;
 using ColorArg = Color;
 
 /// Class that holds an RGBA color with 8-bits per component
-class [[nodiscard]] JPH_EXPORT_GCC_BUG_WORKAROUND Color
+class JPH_EXPORT_GCC_BUG_WORKAROUND [[nodiscard]] Color
 {
 public:
 	/// Constructors

Jolt/Geometry/OrientedBox.h

@@ -14,7 +14,7 @@ JPH_NAMESPACE_BEGIN
 class AABox;
 
 /// Oriented box
-class [[nodiscard]] JPH_EXPORT_GCC_BUG_WORKAROUND OrientedBox
+class JPH_EXPORT_GCC_BUG_WORKAROUND [[nodiscard]] OrientedBox
 {
 public:
 	JPH_OVERRIDE_NEW_DELETE

Jolt/Physics/Body/Body.h

@@ -31,7 +31,7 @@ class SoftBodyCreationSettings;
 /// The functions that get/set the position of the body all indicate if they are relative to the center of mass or to the original position in which the shape was created.
 ///
 /// The linear velocity is also velocity of the center of mass, to correct for this: \f$VelocityCOM = Velocity - AngularVelocity \times ShapeCOM\f$.
-class alignas(JPH_RVECTOR_ALIGNMENT) JPH_EXPORT_GCC_BUG_WORKAROUND Body : public NonCopyable
+class JPH_EXPORT_GCC_BUG_WORKAROUND alignas(JPH_RVECTOR_ALIGNMENT) Body : public NonCopyable
 {
 public:
 	JPH_OVERRIDE_NEW_DELETE