feat: add view mode switch to mobile view

[AlexAndBear]

Description

Related Issue

• Fixes web-app-files: Display viewmode-switch-buttons on mobile view ports #1140

How Has This Been Tested?

• test environment:
• test case 1:
• test case 2:
• ...

Types of changes

• Bugfix
• Enhancement (a change that doesn't break existing code or deployments)
• Breaking change (a modification that affects current functionality)
• Technical debt (addressing code that needs refactoring or improvements)
• Tests (adding or improving tests)
• Documentation (updates or additions to documentation)
• Maintenance (like dependency updates or tooling adjustments)

[Copilot]

Pull Request Overview

Adds a mobile-specific view mode switch to the ViewOptions component, allowing users to switch between different view modes (table, tiles, etc.) on mobile devices through a dropdown interface.

• Adds a mobile-only dropdown component for view mode switching
• Updates tooltip and aria-label text for desktop view mode buttons to use "Switch to [viewMode]" format
• Removes "Switch to" prefix from view mode labels to make them more concise

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 2 comments.

File	Description
packages/web-pkg/src/components/ViewOptions.vue	Adds mobile dropdown for view mode selection and updates desktop button labels
packages/web-app-files/src/composables/extensions/useFolderViews.ts	Updates view mode labels to remove "Switch to" prefix

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[JammingBen]

LGTM code-wise, aesthetically it's a bit different than other, smilar menus like the share role dropdown or the tile view sorting options (missing the blue-ish background on the active element, the check icon is a bit smaller on yours).

[AlexAndBear]

LGTM code-wise, aesthetically it's a bit different than other, smilar menus like the share role dropdown or the tile view sorting options (missing the blue-ish background on the active element, the check icon is a bit smaller on yours).

updated