Issue 63 - Fix entry reslice edge case (no containing function) + tests & reports

[Whoneon]

@ran-j already introduced the main fix in commit 4334e74 (“fixed entry slicing logic to avoid same tail repeated”).
While validating on SLUS‑202.67, there was still one duplicated end address. Turns out that this is an edge case where an entry does not have a resolvable containing function.

What changed

• Reslice now falls back to the entry’s own decoded slice when the containing function can’t be found.
• Added a unit test for reslice without a containing function.
• Successfully tested on Rayman Revolution (SLES-50044) and .hack//Infection (SLUS‑20267).

Tests

• cmake --build build-tests --target ps2x_tests
• ./build-tests/ps2xTest/ps2x_tests

Note

For local runtime testing had to add <cmath> in ps2_runtime_macros.h to resolve sqrtf/copysignf/INFINITY, but it has been removed before this PR.

[ran-j]

Nice work.