demo: precision in Simulation parameters

[daquinteroflex]

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Spell Check Report

Simulation.ipynb:

Cell 13, Line 5: 'floating-point'
  > Tidy3D uses a hybrid floating-point precision by default as it is practically sufficient in almost all cases, double precision should only be explored in large simulations when very high accuracy is desired. Even then, it might not have a noticeable effect over other sources of numerical error like the finite grid. As this is a small example with a minimal cost, we will simply demonstrate you can leverage this option depending on your simulation goals.

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Checked 1 notebook(s). Found spelling errors in 1 file(s).
Generated by GitHub Action run: https://github.com/flexcompute/tidy3d-notebooks/actions/runs/21482336335

[momchil-flex]

I would word this even stronger in the direction that this should very rarely be needed. Something like, the hybrid precision is practically sufficient in almost all cases, double precision should only be explored in large simulations when very high accuracy is desired, and even then it might not have a noticeable effect over other sources of numerical error like the finite grid.

[daquinteroflex]

Modified it to follow your wording as suggested.