[Diff] compatibility suite for summary/description fields in ref object

[iugaidiana]

Cases for compatibility suite for summary/description fields in reference object - refOverrideOAS31_compatibility.suite.xlsx

Test data - compatibility_suite.zip

[b41ex]

RfT in UI v 3.0.3-dev.20250815094202

[Maryna-Ko]

Tested on version Frontend v. 3.0.4-dev.20250820093620,
API Processor v. 4.1.2-dev.20250820091935