SymbolResolver::resolveCallable answers every callable-shaped node by delegating to ExpressionResolver

[Firehed]

Done

• resolveCallable has no match/switch/instanceof on the call-node kind and no direct MemberResolver::findMethod call - src/Resolution/SymbolResolver.php
• Hover on an instance method call whose return type is static reports the receiver class, same as a static call - CallableHoverParityTest::testHoverSignatureAgreesOnStaticReturnAcrossCallableKinds
• Parity test asserts hover-signature agreement across the callable node kinds for self/static/parent return types - CallableHoverParityTest

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 99.40%. Comparing base (9fd52dd) to head (8e2637c).
✅ All tests successful. No failed tests found.

Additional details and impacted files

@@             Coverage Diff              @@
##               main     #477      +/-   ##
============================================
- Coverage     99.50%   99.40%   -0.11%     
+ Complexity     1886     1875      -11     
============================================
  Files           132      132              
  Lines          4876     4838      -38     
============================================
- Hits           4852     4809      -43     
- Misses           24       29       +5     

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[Firehed]

Overriding CI: net project coverage drop due to removing covered lines. Diff still 100% which is more important.