Unconditionally send Access-Control-Allow-Private-Network, fix LNA in GUI

[ProgrammerIn-wonderland]

…x in GUI

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	30.97% 🟰 ±0%	5443 / 17572
🔵	Statements	30.22% 🟰 ±0%	5762 / 19062
🔵	Functions	32.74% 🟰 ±0%	978 / 2987
🔵	Branches	19.85% ⬆️ +0.01%	2785 / 14030

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
src/backend/server.ts	50% ⬆️ +0.14%	34.67% ⬆️ +0.27%	43.58% 🟰 ±0%	50.58% ⬆️ +0.15%	85-86, 100-105, 120-126, 171-184, 187, 208-212, 235-236, 239-248, 251-255, 263, 266, 269, 275, 298, 305-311, 314-365, 388-415, 432-450, 464-466, 485-489, 501-502, 505, 527-532, 535-541, 544-550, 553-559, 569-571, 582, 586-588, 603, 609-645, 658-678, 685-686, 717-754

Generated in workflow #29 for commit a5dff45 by the Vitest Coverage Report Action