[16.0][FIX] github_connector_odoo: Proper manifest and icon load

[pedrobaeza]

• Internal implementation of get_manifest (with load_file/load_path) was rejecting the manifest path as not being in its addons_path.
• Image resizing was not done correctly.

@Tecnativa

[pedrobaeza]

/ocabot merge patch

[OCA-git-bot]

Hey, thanks for contributing! Proceeding to merge this for you.
Prepared branch 16.0-ocabot-merge-pr-124-by-pedrobaeza-bump-patch, awaiting test results.

[OCA-git-bot]

@pedrobaeza The merge process could not be finalized, because command git push origin 16.0-ocabot-merge-pr-124-by-pedrobaeza-bump-patch:16.0 failed with output:

To https://github.com/OCA/interface-github
 ! [rejected]        16.0-ocabot-merge-pr-124-by-pedrobaeza-bump-patch -> 16.0 (fetch first)
error: failed to push some refs to 'https://***@github.com/OCA/interface-github'
hint: Updates were rejected because the remote contains work that you do
hint: not have locally. This is usually caused by another repository pushing
hint: to the same ref. You may want to first integrate the remote changes
hint: (e.g., 'git pull ...') before pushing again.
hint: See the 'Note about fast-forwards' in 'git push --help' for details.

[OCA-git-bot]

Congratulations, your PR was merged at 5438e4b. Thanks a lot for contributing to OCA. ❤️