[FE] System doesn't show extension changes for several cases

[ArtemNalesnikovskyi]

xml 1.yml

Describe the bug

Due to design https://github.com/Netcracker/qubership-apihub-compatibility-suites/wiki/OAS-Extensions
System doesn't show extension changes for cases:

№	OAS Object	Extension Classification	Обоснование
1	Info Object	annotation	Purely documentation information about the API
2	Contact Object	annotation	Contact information - documentation
3	License Object	annotation	License Information - documentation
4	Server Object	unclassified	May affect the connection to the server
6	External Documentation Object	annotation	Links to external documentation
7	Tag Object	annotation	Metadata for grouping operations
21	Callback Object	unclassified	Affects the callback functionality
23	XML Object	unclassified	Affects XML serialization
26	Components Object	unclassified	Container for reusable components

To Reproduce

№	OAS Object	Extension Classification	Specs
1	Info Object	annotation	01-info-object_after.yaml, 01-info-object_before.yaml.yaml
2	Contact Object	annotation	02-contact-object_before.yaml, 02-contact-object_after.yaml
3	License Object	annotation	03-license-object_before.yaml, 03-license-object_after.yaml
4	Server Object	unclassified	04-server-object_before.yaml, 04-server-object_after.yaml
6	External Documentation Object	annotation	06-external-documentation-object_before.yaml, 06-external-documentation-object_after.yaml
7	Tag Object	annotation	07-tag-object_before.yaml, 07-tag-object_after.yaml
21	Callback Object	unclassified	callback2.yml,callback1.yaml
23	XML Object	unclassified	xml 2.yaml,xml 1.yml
26	Components Object	unclassified	compon 2.yml,compon 1.yaml

ER: see Extension Classification column
AR: no changes defined

Version

Backend v. develop.580c3eb
Frontend v. 3.2.1-dev.20251111164623
API Processor v. 4.2.2-dev.20251111162753

Logs

No response

Additional information

No response