fix(pages): script tags can now be executed if they are provided through advanced settings

[jelmerveen]

What are the main changes you did

• explain what you changed and essential considerations.
  I changed the v-html implementation to parsing the string as DOM elements, adding them to the page. For script tags I created new script tags, so they will execute once loaded. v-html uses innerHTML under the hood. That disables any execution.

How to test

• explain here what to do to test this (or point to unit tests)

Edit a page in advanced settings and add a script tag, example <script>alert("!")</script>, this will trigger when parsed.
You can ofcourse use window.onload or such, to await execution until page has been loaded

Partially implements #4606

Checklist

• updated docs in case of new feature
• added/updated tests
• added/updated testplan to include a test for this fix, including ref to bug using # notation

[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 SonarQube Cloud

[mswertz]

nice.