Add `tsc` to ecr-viewer linting process

[BobanL]

What needs to be done

• Add tsc --noEmit to our linting process

Why it needs to be done

• Currently there are 7 typescript errors in our files

Acceptance Criteria

List out all expected functionality/requirements

• tsc --noEmit returns back 0 errors
• tsc --noEmit is part of the "lint" script.

Technical Notes

Owned by eng team - write out any important technical considerations such as: architecture plan/notes, data dependencies, testing plan, etc. Also link any tickets that are dependent on or related to this task

• https://www.typescriptlang.org/tsconfig/#noEmit