fix: fix $ref resolution when used with $id

[RomanHotsiy]

What/Why/How?

Potential fix for #1233

I'll fill in more details later.

Reference

#1233

Testing

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[github-actions]

Command	Mean [s]	Min [s]	Max [s]	Relative
redocly lint packages/core/src/benchmark/benches/rebilly.yaml	1.326 ± 0.014	1.314	1.352	1.00
redocly-next lint packages/core/src/benchmark/benches/rebilly.yaml	1.334 ± 0.029	1.299	1.392	1.01 ± 0.02

[github-actions]

Coverage report

St.❔	Category	Percentage	Covered / Total
🟡	Statements	75.96%	4007/5275
🟡	Branches	65.97%	2140/3244
🟡	Functions	67.92%	648/954
🟡	Lines	76.16%	3756/4932

Test suite run success

638 tests passing in 93 suites.

Report generated by 🧪jest coverage report action from 85f12c9

[jeremyfiel]

Hi Roman

i pulled down your branch and added the file I used in the original issue. It's not working correctly and it appears a new error is reported with userData as an unused component. It seems to have resolved the userData schema, but it's not recognizing it as a used component in the main OAS description. The original error remains with Challenge and File unresolved and never used. Both of those components are inside the userData schema and should resolve inside the external schema.

From the fix/dollar-id-support branch

validating fcc-classroom-userdata-openapi.json...
fcc-classroom-userdata-openapi.json:
  253:42  error    no-unresolved-refs    Can't resolve $ref
  205:70  error    no-unresolved-refs    Can't resolve $ref
  227:21  warning  no-unused-components  Component: "Challenge" is never used.
  259:21  warning  no-unused-components  Component: "File" is never used.

https://api.freecodecamp.org/classroom/userData:
  153:13  warning  no-unused-components  Component: "userData" is never used.

fcc-classroom-userdata-openapi.json: validated in 101ms

❌ Validation failed with 2 errors and 3 warnings.

this is from the main branch 1.2.0

validating C:/Users/fiel/downloads/fcc-classroom-userdata-openapi.json...
..\downloads\fcc-classroom-userdata-openapi.json:
  251:46  error    no-unresolved-refs    Can't resolve $ref
  203:74  error    no-unresolved-refs    Can't resolve $ref
  225:25  warning  no-unused-components  Component: "Challenge" is never used.
  257:25  warning  no-unused-components  Component: "File" is never used.

[RomanHotsiy]

@jeremyfiel thanks for testing it. I suspected that 20min was not enough to fix this issue properly 😢
I'll take another try but not sure when.