[#53] [#284] [#260] Handle morley-client and lorentz errors in Morley.Nettest

Description

As of !490 (merged), morley-client can now handle a variety of exceptions (e.g. FailedWith, BadParameter). We should let Morley.Nettest users expect these exceptions as well if we want to merge the Nettest and Integrational eDSLs in #53 (closed).

Additionally, this MR also adds handling of Lorentz errors such as VoidResult r and numeric errors to Nettest.

Related issue(s)

Resolves part of #53 (closed)

Resolves part of #284

Resolves part of #260 (closed)

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