Fix regular expression check in new panel form

[northwestwitch]

This PR adds a functionality or fixes a bug.

• Addresses the following vunerability

Testing on cg-vm1 server (Clinical Genomics Stockholm)

**Prepare for testing** 1. Make sure the PR is pushed and available on [Docker Hub](https://hub.docker.com/repository/docker/clinicalgenomics/scout-server-stage) 1. Fist book your testing time using the Pax software available at [https://pax.scilifelab.se/](https://pax.scilifelab.se). The resource you are going to call dibs on is `scout-stage` and the server is `cg-vm1`. 1. `ssh @cg-vm1.scilifelab.se` 1. `sudo -iu hiseq.clinical` 1. `ssh localhost` 1. (optional) Find out which scout branch is currently deployed on cg-vm1: `podman ps` 1. Stop the service with current deployed branch: `systemctl --user stop scout.target` 1. Start the scout service with the branch to test: `systemctl --user start scout@` 1. Make sure the branch is deployed: `systemctl --user status scout.target` 1. After testing is done, repeat procedure at [https://pax.scilifelab.se/](https://pax.scilifelab.se), which will release the allocated resource (`scout-stage`) to be used for testing by other users.

Testing on hasta server (Clinical Genomics Stockholm)

**Prepare for testing** 1. `ssh @hasta.scilifelab.se` 1. Book your testing time using the Pax software. `us; paxa -u -s hasta -r scout-stage`. You can also use the WSGI Pax app available at [https://pax.scilifelab.se/](https://pax.scilifelab.se). 1. (optional) Find out which scout branch is currently deployed on cg-vm1: `conda activate S_scout; pip freeze | grep scout-browser` 1. Deploy the branch to test: `bash /home/proj/production/servers/resources/hasta.scilifelab.se/update-tool-stage.sh -e S_scout -t scout -b ` 1. Make sure the branch is deployed: `us; scout --version` 1. After testing is done, repeat the `paxa` procedure, which will release the allocated resource (`scout-stage`) to be used for testing by other users.

How to test:

1. From main branch, reproduce the situation described in the vulnerability
2. Switch to this branch and try to create a new panel, same as in 1.
3. Make sure that the HTML check doesn't allow that panel ID as input
4. Go the the panel inserted in 1. Try to exported from this branch

Expected outcome:

• The panel name should be sanitized and exported as a txt file

Review:

• [x] code approved by
• [x] tests executed by CR

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 84.22%. Comparing base (679c42e) to head (68493bd). Report is 1 commits behind head on main.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #4843 +/- ## ======================================= Coverage 84.22% 84.22% ======================================= Files 318 318 Lines 19248 19250 +2 ======================================= + Hits 16211 16213 +2 Misses 3037 3037 ```

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[sonarcloud[bot]]

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