fix(eslint-plugin): [require-await] better handle nesting

[bradzacher]

Fixes #1188

The extension knows the inner callback doesn't need have an error, so it doesn't call the base rule's handler. But in doing so, it means the base rule doesn't properly update its internal state, so it ends up looking at the state for the cb whilst exiting testFunction.

This fixes the rule so that instead of not calling the base rule, it uses the rule's logic to update the rule's internal state, which prevents the base rule logic from erroring.

[typescript-eslint]

Thanks for the PR, @bradzacher!

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 #1193 into master will increase coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1193      +/-   ##
==========================================
+ Coverage   94.13%   94.17%   +0.03%     
==========================================
  Files         124      124              
  Lines        5340     5318      -22     
  Branches     1494     1490       -4     
==========================================
- Hits         5027     5008      -19     
+ Misses        178      177       -1     
+ Partials      135      133       -2

Impacted Files	Coverage Δ
packages/eslint-plugin/src/rules/require-await.ts	100% <100%> (+7.31%)	⬆️