Advarsel ved registrering av vtao avtaler

[henriktheboss]

[Copilot]

Pull Request Overview

This PR updates the alert component for "vtao" agreements by introducing dynamic migration dates based on the agreement type and updating the warning text accordingly.

• Introduces dynamic migration dates and checks based on the tiltakstype.
• Updates the alert message to display the formatted migration date.
• Adjusts class naming for alert content styling.

Files not reviewed (1)

• src/AvtaleSide/steg/VarighetSteg/varighetSteg.less: Language not supported

Comments suppressed due to low confidence (2)

src/AvtaleSide/steg/VarighetSteg/InfoArenaOppryddingAlert.tsx:23

• [nitpick] Consider renaming 'migreringsdato' to a more descriptive name like 'migreringCutoffDate' to better reflect its purpose.

let migreringsdato: string | undefined = undefined;

src/AvtaleSide/steg/VarighetSteg/InfoArenaOppryddingAlert.tsx:28

• [nitpick] Consider externalizing the hard-coded migration date '2025-07-01' into a configuration constant to improve maintainability.

migreringsdato = '2025-07-01';