Adding cone shape and other fixes

[VicenteCartas]

More support for converting to NPE:

• Adding support for cone shape emitter, which is required to support ParticleHelper.CreateDefault.
• Adding size/scale on the CreateParticleBlock
• Adding updateSpeed on system block.
• Wiring other properties for the system block.

PG to test: #7J0NXA#5
PG capture

NPE capture

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[bjsplat]

Please make sure to label your PR with "bug", "new feature" or "breaking change" label(s).
To prevent this PR from going to the changelog marked it with the "skip changelog" label.

[bjsplat]

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