Updated Intersection method to support multiple representations

[katehryhorenko]

BACKGROUND:

• _bounds and _csg are used by GeometricElement.Intersection method. Both this variables are calculated from SolidOperations. So currently Intersection method ignores RepresentationInstances

DESCRIPTION: This PR adds:

• CalculateIntersactionPoints and ComputeBounds to the SolidRepresentation. It's a duplicated code from the GeometricElement.
• SolidRepresentations are added to the Bounds calculations and to the Intersections

TESTING:

• I tested it with SVGSection method

FUTURE WORK:

• Add other Representation types to the calculations

REQUIRED:

• [ ] All changes are up to date in CHANGELOG.md.

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