fix(frontend): prevent multiple menu opening

[Guilhem-lm]

[!IMPORTANT] Prevent multiple menu openings by using unique modalId and excluding these IDs from click outside events.

• Behavior:
  • Prevents multiple menu openings by introducing modalId in AppButton.svelte and AppMenu.svelte.
  • Excludes modalId from click outside events in Menu.svelte to prevent closing other menus.
• Components:
  • Adds modalId and modalWrapperClass props to ConfirmationModal.svelte.
  • Calls onSuccess callback in AppButton.svelte after setting list inputs.
• Misc:
  • Uses crypto.randomUUID() to generate unique modalId in AppMenu.svelte.
  • Adjusts getMenuElements() in Menu.svelte to include elements with modalId.

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[Guilhem-lm]

This PR fixes #5739