Shielded sync phase 3 client

[sug0]

Describe your changes

Closes #3385

Checklist before merging to draft

• I have added a changelog
• Git history is in acceptable state

[codecov]

Codecov Report

Attention: Patch coverage is 65.76223% with 959 lines in your changes missing coverage. Please review.

Project coverage is 61.25%. Comparing base (c7520ac) to head (9626233).
Report is 103 commits behind head on main.

Files	Patch %	Lines
crates/sdk/src/masp/shielded_sync/utils.rs	37.83%	511 Missing ⚠️
crates/node/src/bench_utils.rs	0.00%	238 Missing ⚠️
crates/sdk/src/masp/shielded_sync/dispatcher.rs	89.63%	116 Missing ⚠️
crates/core/src/control_flow/mod.rs	14.63%	35 Missing ⚠️
crates/sdk/src/io.rs	31.81%	15 Missing ⚠️
crates/tx/src/types.rs	69.76%	13 Missing ⚠️
crates/sdk/src/masp.rs	88.77%	11 Missing ⚠️
crates/sdk/src/lib.rs	0.00%	6 Missing ⚠️
crates/node/src/shell/testing/node.rs	0.00%	3 Missing ⚠️
crates/sdk/src/wallet/keys.rs	25.00%	3 Missing ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #3578      +/-   ##
==========================================
+ Coverage   61.22%   61.25%   +0.03%     
==========================================
  Files         312      315       +3     
  Lines      101609   102808    +1199     
==========================================
+ Hits        62209    62976     +767     
- Misses      39400    39832     +432     

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[sug0]

We might need to point flume to zesterer/flume#138

Otherwise, the usage of this code in web browser wasm environments might be compromised.

[Fraccaman]

whats the status here?

[tzemanovic]

whats the status here?

we need 1 more review on this