Remove `LiteralTypeForLiteral` by creating `IsInstance` function #5800

Job	Run time
unpack-envvars	1s
flyteadmin integration tests image / build_docker	4m 51s
Build Images / Build & Push Image (datacatalog) / Push to Github Registry	4m 19s
Build Images / Build & Push Image (flyteadmin) / Push to Github Registry	6m 9s
Build Images / Build & Push Image (flytecopilot) / Push to Github Registry	4m 13s
Build Images / Build & Push Image (flytepropeller) / Push to Github Registry	6m 32s
Build Images / Build & Push Image (flytescheduler) / Push to Github Registry	6m 7s
Dry Run Goreleaser	1m 35s
Test Getting started	10m 50s
Check Go Generate (datacatalog) / Go Generate	1m 34s
Check Go Generate (flytectl) / Go Generate	2m 4s
Check Go Generate (flytecopilot) / Go Generate	1m 30s
Check Go Generate (flyteadmin) / Go Generate	2m 18s
Check Go Generate (flytepropeller) / Go Generate	2m 28s
Lint (datacatalog) / Run Lint	2m 27s
Lint (flyteadmin) / Run Lint	3m 11s
Lint (flytecopilot) / Run Lint	1m 58s
Lint (flytectl) / Run Lint	2m 44s
Lint (flyteidl) / Run Lint	2m 5s
Lint (flyteplugins) / Run Lint	2m 58s
Lint (flytepropeller) / Run Lint	3m 8s
Lint (flytestdlib) / Run Lint	2m 42s
Unit Tests (datacatalog) / Run Unit Test	3m 0s
Unit Tests (flyteadmin) / Run Unit Test	4m 39s
Unit Tests (flytecopilot) / Run Unit Test	2m 42s
Unit Tests (flytectl) / Run Unit Test	3m 42s
Unit Tests (flyteplugins) / Run Unit Test	3m 58s
Unit Tests (flytepropeller) / Run Unit Test	4m 22s
Unit Tests (flytestdlib) / Run Unit Test	3m 49s
Integration Test (flyteadmin) / Integration tests	5m 51s
	1h 47m 47s

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