fix(spec-specs): load the recipient after authorization processing

[spencer-tb]

Description

Per EIPs#11902, the recipient must not enter the block access list when a halt during EIP-7702 authorization processing precedes its load. Defer the recipient code load from prepare_message to after set_delegation; behavior-neutral today (authorization costs are intrinsic, so no halt can intervene), it keeps the recipient unread once EIP-2780 charges them at runtime (#3126).

Related Issues or PRs

Implements EIPs#11902; ordering becomes observable with #3126.

Checklist

• Ran fast static checks to avoid CI fails, see Code Standards & Verifying Changes: just static
• PR title has the form <type>(<area>): <title>, where <type> and <area> come from an appropriate C-<type>, respectively A-<area>, label. The title should match the target squash commit message.

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 93.30%. Comparing base (78daabc) to head (36e5056).

Additional details and impacted files

@@               Coverage Diff                @@
##           forks/amsterdam    #3133   +/-   ##
================================================
  Coverage            93.30%   93.30%           
================================================
  Files                  624      624           
  Lines                36991    36992    +1     
  Branches              3384     3384           
================================================
+ Hits                 34515    34516    +1     
  Misses                1694     1694           
  Partials               782      782           

Flag	Coverage Δ
unittests	93.30% <100.00%> (+<0.01%)	⬆️

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