Fix importComponent (v15.x)

[hops-release-bot]

⚠️ This PR is the successor of #2070 and has been created automatically because the previous PR's commits could not be cherry-picked. ⚠️

Please resolve the conflicts and merge this PR afterwards by running the following command:

git fetch origin && \
git fetch origin pull/2070/head && \
git checkout fix-importcomponent-v15.x && \
git reset --hard HEAD^ && \
git cherry-pick 4d9db895be547a0577cd336e29676a5cb836d284 0bcc9999d8e83e824637287eb5af85d5fb041bf0 673a06d04c34444fb5ffefe5fa4cecc02c19a011 9df7b149292b4367e0bed178dbf1cc630887b3b6 dbf793b74ecb88374a1f6b71f5119bb19744682d 32f136ad2c99fec6dd24163097b0bc1575111ec0 e33f6cfb8e1737297c87879ca2b3f3daba4cd7cc 5b5fd4d6f84c17ac6fb917f5fe20ad683de79484 a3e82c869053af02ae8d3277b81e9bc5fe5948be b134446e6727f6325e1de33f80964e09db28ce31

After successfully resolving all conflicts, you need to force-push your changes.

git push --force origin fix-importcomponent-v15.x

---

Ref: #1632, #1976

Todo:

• What happens if we import the same file from different files? I suspect our babel plugin will generate different chunk names which should in fact not be different. So maybe our hash should not include the filepath of the importing component but only the filepath of the imported component.
  • seems to create separate entries in the namedChunkGroups which point to the same asset.

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