zcash_client_sqlite: Update to make use of orchard::note::Rho

[nuttycom]

No description provided.

[str4d]

utACK 0c5a365

[codecov]

Codecov Report

Attention: Patch coverage is 9.09091% with 10 lines in your changes are missing coverage. Please review.

Project coverage is 63.26%. Comparing base (3dcac7a) to head (0c5a365).

Files	Patch %	Lines
zcash_client_sqlite/src/testing.rs	0.00%	7 Missing ⚠️
zcash_client_backend/src/scanning.rs	0.00%	2 Missing ⚠️
zcash_client_sqlite/src/wallet/orchard.rs	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1264      +/-   ##
==========================================
+ Coverage   63.22%   63.26%   +0.04%     
==========================================
  Files         121      121              
  Lines       13519    13509      -10     
==========================================
  Hits         8547     8547              
+ Misses       4972     4962      -10     

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