Enhance window management: add functionality to restore original bord…

[Stateford]

…er styles and improve borderless window handling

[Copilot]

Pull request overview

This pull request enhances window management functionality by refactoring the borderless window handling. The changes improve how window border styles are removed and restored, replacing toggle-based operations with explicit remove and restore functions.

Changes:

• Refactored borderless window operations from XOR-based toggling to explicit style removal and restoration
• Added tracking of extended window styles (previousExStyle) for proper restoration
• Added SWP_FRAMECHANGED flags to ensure Windows properly applies style changes
• Fixed a typo in a code comment

Reviewed changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated 1 comment.

File	Description
src/components/win.c	Refactored window border management: replaced toggleBorderlessWindow with removeBorderStyles and restoreBorderStyles functions, improved style restoration logic, and added proper frame change notifications
.claude/settings.local.json	Added a developer-specific test executable path

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[Copilot]

This line adds a developer-specific absolute path containing a username. The .local.json suffix suggests this file should contain local developer settings that shouldn't be committed to version control. Consider adding this file to .gitignore or removing this developer-specific path from the committed version.

Suggested change

	"Bash(xxd:*)",
	"Bash(\"C:\\\\Users\\\\japos\\\\git\\\\Display-Lock\\\\build\\\\tests\\\\Debug\\\\display-lock-unittests.exe\")"
	"Bash(xxd:*)"