feat: persist searches

[Nerivec]

• all table search fields will be independently persisted to local storage
• dashboard search field will be persisted to local storage
• fix a few sort/filter issues
• add clear buttons to table search fields

Fixes #124

[Copilot]

Pull Request Overview

This PR implements persistent search functionality across the application by storing table search fields and dashboard search in local storage, while also fixing several sort/filter issues and adding clear buttons to search fields.

• Adds independent local storage persistence for all table search fields and dashboard search
• Implements clear buttons for table search fields with proper UI styling
• Fixes sorting functionality for availability states in the devices table

Reviewed Changes

Copilot reviewed 9 out of 10 changed files in this pull request and generated 3 comments.

Show a summary per file

File	Description
src/pages/TouchlinkPage.tsx	Adds filterFn: "includesString" to table columns for proper search functionality
src/pages/OtaPage.tsx	Adds filterFn: "includesString" to device and model columns
src/pages/GroupsPage.tsx	Adds filterFn: "includesString" to ID and friendly name columns
src/pages/DevicesPage.tsx	Adds column filters and implements custom sorting for availability states
src/pages/Dashboard.tsx	Implements persistent search using local storage with useEffect hook
src/localStoreConsts.ts	Defines new constants for table and dashboard filter storage keys
src/components/table/TextFilter.tsx	Adds persistence, clear button functionality, and improved UI layout
src/components/table/Table.tsx	Integrates storage key generation for individual column filters
package.json	Version bump from 1.4.2 to 1.5.0