MASP SDK Refactor

[batconjurer]

Factored most of the masp code out of the sdk and into shielded token crate

Describe your changes

Checklist before merging

• If this PR has some consensus breaking changes, I added the corresponding breaking:: labels
  • This will require 2 reviewers to approve the changes

[codecov]

Codecov Report

Attention: Patch coverage is 77.32164% with 569 lines in your changes missing coverage. Please review.

Project coverage is 72.41%. Comparing base (c7f6a80) to head (87675d5).
Report is 29 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/io/src/client.rs	2.55%	191 Missing ⚠️
crates/shielded_token/src/masp/shielded_wallet.rs	87.21%	164 Missing ⚠️
crates/shielded_token/src/masp.rs	81.34%	105 Missing ⚠️
crates/sdk/src/rpc.rs	64.61%	23 Missing ⚠️
...hielded_token/src/masp/shielded_sync/dispatcher.rs	53.06%	23 Missing ⚠️
crates/sdk/src/masp/utilities.rs	67.30%	17 Missing ⚠️
crates/sdk/src/tx.rs	40.74%	16 Missing ⚠️
crates/token/src/lib.rs	0.00%	13 Missing ⚠️
...tes/shielded_token/src/masp/shielded_sync/utils.rs	95.61%	10 Missing ⚠️
crates/shielded_token/src/masp/test_utils.rs	55.55%	4 Missing ⚠️
... and 2 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3744      +/-   ##
==========================================
- Coverage   72.42%   72.41%   -0.01%     
==========================================
  Files         335      339       +4     
  Lines      104005   104006       +1     
==========================================
- Hits        75322    75313       -9     
- Misses      28683    28693      +10     

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[mergify]

Hey @batconjurer, your pull request has been dequeued due to the following reason: CHECKS_FAILED.
Sorry about that, but you can requeue the PR by using @mergifyio requeue if you think this was a mistake.

[tzemanovic]

@Mergifyio requeue

[mergify]

requeue

✅ The queue state of this pull request has been cleaned. It can be re-embarked automatically