feat: introduce pp.maxSteps
#4556
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The `pp.maxSteps` option is a hard limit on the complexity of pretty printer output, which is necessary to prevent the LSP from crashing when there are accidental large terms. This PR also sets `pp.deepTerms` to `false` by default.
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The
pp.maxStepsoption is a hard limit on the complexity of pretty printer output, which is necessary to prevent the LSP from crashing when there are accidental large terms. We're using the default value from the corresponding Lean 3 option.This PR also sets
pp.deepTermstofalseby default.