[Bug] Include layer opacity info for embedded layers

[mind84]

Follows #4925

Here I am again with "embedded" stuff 😄

I didn't notice that the opacity for embedded rasters wasn't being taken into account, so I tried to fix this.

Thanks

Funded by Faunalia

[rldhont]

Thanks @mind84 !

It will be easiest to enhance this part of lizmap when #4819 will be merged and backported to 3.9.

[mind84]

Hi @rldhont,

It will be easiest to enhance this part of lizmap when #4819 will be merged and backported to 3.9.

Sorry, should I refactor this part once #4819 has been merged?

Thanks!

[3liz-bot]

The backport to release_3_8 failed:

The process '/usr/bin/git' failed with exit code 1

stderr

error: could not apply 4e72f0892... include layer opacity info for embedded layers
hint: After resolving the conflicts, mark them with
hint: "git add/rm <pathspec>", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
hint: Disable this message with "git config advice.mergeConflict false"

stdout

Auto-merging lizmap/modules/lizmap/lib/Project/QgisProject.php
Auto-merging tests/units/classes/Project/QgisProjectTest.php
CONFLICT (content): Merge conflict in tests/units/classes/Project/QgisProjectTest.php

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new working tree
git worktree add .worktrees/backport-release_3_8 release_3_8
# Navigate to the new working tree
cd .worktrees/backport-release_3_8
# Create a new branch
git switch --create backport-4964-to-release_3_8
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick 4e72f0892b278a3df2d9e5e4f70208e3b02c43fb
# Push it to GitHub
git push --set-upstream origin backport-4964-to-release_3_8
# Go back to the original working tree
cd ../..
# Delete the working tree
git worktree remove .worktrees/backport-release_3_8

Then, create a pull request where the base branch is release_3_8 and the compare/head branch is backport-4964-to-release_3_8.

[nboisteault]

Thanks @mind84 !
The backport to 3.8 failed. Could you fix it please?