fix(eslint-plugin): [return-await] properly handle fixes for TSAsExpression

[rafaelss95]

Fixes #3613.

[typescript-eslint]

Thanks for the PR, @rafaelss95!

typescript-eslint is a 100% community driven project, and we are incredibly grateful that you are contributing to that community.

The core maintainers work on this in their personal time, so please understand that it may not be possible for them to review your work immediately.

Thanks again!

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[codecov]

Codecov Report

Merging #3631 (a9a6f2c) into master (62bcc93) will increase coverage by 0.89%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #3631      +/-   ##
==========================================
+ Coverage   92.68%   93.57%   +0.89%     
==========================================
  Files         325      147     -178     
  Lines       11342     7864    -3478     
  Branches     3200     2490     -710     
==========================================
- Hits        10512     7359    -3153     
+ Misses        369      161     -208     
+ Partials      461      344     -117     

Flag	Coverage Δ
unittest	93.57% <100.00%> (+0.89%)	⬆️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
packages/eslint-plugin/src/rules/return-await.ts	97.02% <100.00%> (+0.06%)	⬆️
packages/scope-manager/src/lib/es2016.full.ts
packages/typescript-estree/src/node-utils.ts
...es/experimental-utils/src/ts-eslint-scope/Scope.ts
...scope-manager/src/definition/VariableDefinition.ts
...ackages/scope-manager/src/referencer/Referencer.ts
packages/scope-manager/src/lib/es2019.ts
packages/scope-manager/src/lib/index.ts
packages/scope-manager/src/scope/FunctionScope.ts
...ges/typescript-estree/src/create-program/shared.ts
... and 169 more

[nx-cloud]

Nx Cloud Report

CI ran the following commands for commit a9a6f2c. Click to see the status, the terminal output, and the build insights.

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Status	Command
	nx run-many --target=build --all --parallel
	nx run-many --target=typecheck --all --parallel
	nx test @typescript-eslint/eslint-plugin
	nx test @typescript-eslint/eslint-plugin-internal
	nx test @typescript-eslint/eslint-plugin-tslint
	nx test @typescript-eslint/experimental-utils
	nx test @typescript-eslint/parser
	nx test @typescript-eslint/scope-manager
	nx test @typescript-eslint/typescript-estree
	nx test @typescript-eslint/visitor-keys

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[nx-cloud]

Nx Cloud Report

CI ran the following commands for commit af42325. Click to see the status, the terminal output, and the build insights.

📂 See all runs for this branch

Status	Command
	nx run-many --target=build --all --parallel
	nx run-many --target=typecheck --all --parallel

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[bradzacher]

thanks for fixing this!

[bradzacher]

LGTM - thanks for fixing tihs!