Respect output.paths in dynamic imports

[lukastaegert]

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:
Resolves #3464

Description

This will make sure that both static and dynamic imports will respect the paths option.

[rollup-bot]

Thank you for your contribution! ❤️

You can try out this pull request locally by installing Rollup via

npm install rollup/rollup#gh-3436-dynamic-import-paths

or load it into the REPL:
https://rollupjs.org/repl/?circleci=10632

[codecov]

Codecov Report

Merging #3508 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #3508   +/-   ##
=======================================
  Coverage   96.12%   96.12%           
=======================================
  Files         176      176           
  Lines        5983     5983           
  Branches     1761     1761           
=======================================
  Hits         5751     5751           
  Misses        118      118           
  Partials      114      114           

Impacted Files	Coverage Δ
src/Chunk.ts	99.77% <ø> (ø)

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