Folders: Fix creating/updating a folder whose title has leading and trailing spaces

[papagian]

What is this feature?

Temporarily folders are store in both dashboard and folder table. This fixes an inconsistency in two tables that used to occur if the folder title used to contain leading and trailing spaces because if the folder table was stored as is, while in the dashboard table was store trimmed.

Why do we need this feature?

[Add a description of the problem the feature is trying to solve.]

Who is this feature for?

[Add information on what kind of user the feature is for.]

Which issue(s) does this PR fix?:

Fixes #

Special notes for your reviewer:

Please check that:

• It works as expected from a user's perspective.
• If this is a pre-GA feature, it is behind a feature toggle.
• The docs are updated, and if this is a notable improvement, it's added to our What's New doc.

[yuri-tceretian]

Since this is already in the wild, I think we need a migration too.

[diegommm]

[question] [non-blocker] Do we need ProvideStore to receive an empty *FeatureManagement or could we create features like this and reuse it when creating Service?

Suggested change

	features := featuremgmt.WithFeatures()
	features := featuremgmt.WithFeatures(featuremgmt.FlagNestedFolders)

[papagian]

actually features is redundant (is not used inside the nested folder store) so I have removed it
but to answer your question: yes, we can create the features like this and pass the same to the service.

[papagian]

Since this is already in the wild, I think we need a migration too.

this will be addressed by #80972

[grafana-delivery-bot]

The backport to v10.3.x failed:

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

To backport manually, run these commands in your terminal:

# Fetch latest updates from GitHub
git fetch
# Create a new branch
git switch --create backport-80909-to-v10.3.x origin/v10.3.x
# Cherry-pick the merged commit of this pull request and resolve the conflicts
git cherry-pick -x 4243079cb52de57ba816e4c2a4eddcd7c11bb133

When the conflicts are resolved, stage and commit the changes:

git add . && git cherry-pick --continue

If you have the GitHub CLI installed:

# Push the branch to GitHub:
git push --set-upstream origin backport-80909-to-v10.3.x
# Create the PR body template
PR_BODY=$(gh pr view 80909 --json body --template 'Backport 4243079cb52de57ba816e4c2a4eddcd7c11bb133 from #80909{{ "\n\n---\n\n" }}{{ index . "body" }}')
# Create the PR on GitHub
echo "${PR_BODY}" | gh pr create --title "[v10.3.x] Folders: Fix creating/updating a folder whose title has leading and trailing spaces" --body-file - --label "type/bug" --label "area/backend" --label "add to changelog" --label "backport" --base v10.3.x --milestone 10.3.x --web

Or, if you don't have the GitHub CLI installed (we recommend you install it!):

# Push the branch to GitHub:
git push --set-upstream origin backport-80909-to-v10.3.x

# Create a pull request where the `base` branch is `v10.3.x` and the `compare`/`head` branch is `backport-80909-to-v10.3.x`.

# Remove the local backport branch
git switch main
git branch -D backport-80909-to-v10.3.x