ksys/phys: Add RagdollController::getTransform and more

Credit to @Dragorn421 for helping me figure out the rotation matrix
thing in the getTransform function

lib/gsys/include/gsys/gsysModel.h

@@ -39,6 +39,7 @@ public:
     sead::PtrArray<ModelInfo>& getUnits() { return mUnitAccess; }
     const sead::PtrArray<ModelInfo>& getUnits() const { return mUnitAccess; }
 
+    const sead::Matrix34f& getMatrix() const { return mMatrix; }
     const sead::Vector3f& getScale() const { return _88; }
 
     void setBoneLocalMatrix(const BoneAccessKey& key, const sead::Matrix34f& matrix,

lib/hkStubs/Havok/Common/Base/Math/QsTransform/hkQsTransformf.h

@@ -56,6 +56,8 @@ public:
     /// this *= b
     HK_FORCE_INLINE void setMulEq(const hkQsTransformf& b);
 
+    bool isOk(hkFloat32 epsilon = hkFloat32(1e-3f)) const;
+
     void fastRenormalize();
 
     hkVector4f m_translation;