fix: calculate the correct scope on iterables to avoid issues with makeReferenceSafe

[alejofernandez]

This PR sends the proper scope to makeReferenceSafe for iterables in order to avoid replacing locals in parameters of array functions.

Also added auto-attach debugger setting for vscode, which really helps when using the terminal.

Before the fix

This code

{list.filter(item => !!item).map(item => (...)

was translated into this code

<% locals.list.filter((locals.item) => !!(locals.item)).forEach((item) => { %>

After the fix

This code

{list.filter(item => !!item).map(item => (...)

is now translated into this code

<% locals.list.filter(item => !!item).forEach((item) => { %>

[codecov-io]

Codecov Report

Merging #13 into master will increase coverage by <.01%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master      #13      +/-   ##
==========================================
+ Coverage   98.41%   98.42%   +<.01%     
==========================================
  Files          23       23              
  Lines         822      827       +5     
  Branches      181      181              
==========================================
+ Hits          809      814       +5     
  Misses         13       13

Impacted Files	Coverage Δ
src/code-generator-ejs.js	99.04% <100%> (+0.04%)	:arrow_up:

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