Add option to disable shareable URLs

[paolosimone]

Allow users to disable state storage in URL (opt-out), keeping the same behavior as before the feature was introduced.

[Copilot]

Pull Request Overview

This PR adds a new enableURLState setting that allows users to control whether the viewer state is synced to the URL fragment (hash). This enables shareable URLs while giving users the option to disable this feature if desired.

• Added enableURLState boolean setting to control URL fragment state synchronization
• Modified useURLFragmentState to accept a parameter that controls whether state is synced to URL
• Added UI controls and translations for the new setting in both English and Italian

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
extension/src/viewer/state/Settings.ts	Adds enableURLState property to Settings type and defaults it to true
extension/src/viewer/state/ApplicationState/URLFragmentState.ts	Modifies hook to accept syncStateToURL parameter and conditionally sync state to URL based on flag
extension/src/viewer/state/ApplicationState/ApplicationState.ts	Passes settings.enableURLState to useURLFragmentState hook
extension/src/viewer/localization/translations/en.json	Adds English translation for the new setting label and tooltip
extension/src/viewer/localization/translations/it.json	Adds Italian translation for the new setting label and tooltip
extension/src/options/MainOptions.tsx	Adds checkbox UI control for the new enableURLState setting

Comments suppressed due to low confidence (4)

extension/src/viewer/state/ApplicationState/URLFragmentState.ts:4

• SettingsContext is imported but never used in this file. Consider removing it from the import statement.

import { ViewerMode } from "../ViewerMode";

extension/src/viewer/state/ApplicationState/URLFragmentState.ts:1

• useContext is imported but never used in this file. Consider removing it from the import statement.

import { Dispatch, useEffect, useState } from "react";

extension/src/viewer/state/ApplicationState/URLFragmentState.ts:1

• Unused import useContext.

import { Dispatch, useEffect, useState } from "react";

extension/src/viewer/state/ApplicationState/URLFragmentState.ts:4

• Unused import SettingsContext.

import { ViewerMode } from "../ViewerMode";

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