fix: create multiple layouts from same components with different context

[abumalick]

fix: create multiple layouts from same components with different context

As explained in #3025 : when we try to create multiple layouts with different context from one component, we notice that we get only the last layout created.

The bug appears in pages-writer.js:89 , we have to use the layout id as identifier instead of his path

Thanks to @yachaka for pointing out the source of the bug

fixes #3025

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[yachaka]

this is great! thanks for taking care of the PR @abumalick

[KyleAMathews]

Ah cool! Yeah, this makes a lot of sense. Thanks for the investigative work + PR!

[jlengstorf]

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