ForceZero change for WOLFSSL_CHECK_MEM_ZERO

[rlm2002]

Description

Changes call to ForceZero() in ShrinkInputBuffer() to use bufferSize instead of length. Allows call to wc_MemZero_Check() in XFREE() to run without aborting early.

Adds macro guard to prevent aborting early if TEST_ALWAYS_RUN_TO_END is defined.

Adds configuration --enable-all CFLAGS="-DWOLFSSL_CHECK_MEM_ZERO" to os-check.yml

Fixes Github issue #9128

Testing

./configure --enable-all CFLAGS="-DWOLFSSL_CHECK_MEM_ZERO" && make
make check

# single test, number retrieved from ./tests/unit.text --list
./tests/unit.test -1157

Checklist

• added tests
• updated/added doxygen
• updated appropriate READMEs
• Updated manual and documentation

[devin-ai-integration]

🛟 Devin Lifeguard found 1 likely issues in this PR

• no-void-functions snippet snippet: Change both wc_MemZero_Init and wc_MemZero_Free to return an int (e.g., 0 on success, negative on error) and adjust all call sites accordingly.

@rlm2002
please take a look at the above issues which Devin flagged. Devin will not fix these issues automatically.

[SparkiDev]

retest this please