fix: Avoid change quantity with module pscartdropdown for insurance

[Benjamin-Freoua-Alma]

Reason for change

Linear task

Code changes

The script for avoid change quantity on the mini cart wasn't returned.
We add a variable to increment scripts to add on the header

How to test

As a reviewer, you are encouraged to test the PR locally.

Install pscartdropdown module
Add insurance on your cart and try to change the quantity of the insurance

Checklist for authors and reviewers

• The title of the PR uses business wording, not technical jargon, for the changelog readers to understand it
• The PR implements the changes asked in the referenced task / issue
• The automated tests are compliant with the testing strategy
• The tests are relevant, and cover the corner/error cases, not only the happy path
• You understand the impact of this PR on existing code/features
• The changes include adequate logging and Datadog traces
• Documentation is updated (API, developer documentation, ADR, Notion...)

Non applicable

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud

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