Investigate intermittent Scheme Switching failure

[pascoec]

Example 1:

[ RUN ] UnitTests/UTCKKSRNS_SCHEMESWITCH.CKKSRNS/SCHEME_SWITCH_FHEW_CKKS_05
/home/ubuntu/actions-runner/_work/openfhe-development/openfhe-development/src/pke/unittest/utils/UnitTestUtils.h:116: Failure
Value of: checkEquality(a, b, eps)
Actual: false
Expected: true
SCHEME_SWITCH_FHEW_CKKS_05FHEW to CKKS fails for larger messages.

[ FAILED ] UnitTests/UTCKKSRNS_SCHEMESWITCH.CKKSRNS/SCHEME_SWITCH_FHEW_CKKS_05, where GetParam() = testCaseType [SCHEME_SWITCH_FHEW_CKKS], schemeId [CKKSRNS], ringDimension [64], multiplicativeDepth [13], scalingModSize [50], digitSize [-999], batchSize [-999], secretKeyDist [2], maxRelinSkDeg [-999], firstModSize [60], securityLevel [6], ksTech [2], scalTech [1], numLargeDigits [3], plaintextModulus [-999], standardDeviation [-999], evalAddCount [-999], keySwitchCount [-999], multiplicationTechnique [-999], encryptionTechnique [-999], PREMode [-999], multipartyMode [-999], decryptionNoiseMode [-999], executionMode [-999], noiseEstimate [-999], registerWordSize [-999], compositeDegree [-999] (268 ms)

Example 2:

[ RUN ] UnitTests/UTCKKSRNS_SCHEMESWITCH.CKKSRNS/SCHEME_SWITCH_FHEW_CKKS_01
/home/ubuntu/actions-runner/_work/openfhe-development/openfhe-development/src/pke/unittest/utils/UnitTestUtils.h:116: Failure
Value of: checkEquality(a, b, eps)
Actual: false
Expected: true
SCHEME_SWITCH_FHEW_CKKS_01FHEW to CKKS fails for larger messages.

[ FAILED ] UnitTests/UTCKKSRNS_SCHEMESWITCH.CKKSRNS/SCHEME_SWITCH_FHEW_CKKS_01, where GetParam() = testCaseType [SCHEME_SWITCH_FHEW_CKKS], schemeId [CKKSRNS], ringDimension [64], multiplicativeDepth [13], scalingModSize [70], digitSize [-999], batchSize [-999], secretKeyDist [1], maxRelinSkDeg [-999], firstModSize [80], securityLevel [6], ksTech [2], scalTech [1], numLargeDigits [3], plaintextModulus [-999], standardDeviation [-999], evalAddCount [-999], keySwitchCount [-999], multiplicationTechnique [-999], encryptionTechnique [-999], PREMode [-999], multipartyMode [-999], decryptionNoiseMode [-999], executionMode [-999], noiseEstimate [-999], registerWordSize [-999], compositeDegree [-999] (1706 ms)

Connected to #1098 and potentially fixed by #1099.