fix[worker]: contentLength and etag handling

[SharzyL]

No description provided.

[github-actions]

Coverage Report

Status	Category	Percentage	Covered / Total
🔵	Lines	76.6% ⬆️ +0.05%	825 / 1077
🔵	Statements	75.87% ⬆️ +0.04%	843 / 1111
🔵	Functions	74.07% 🟰 ±0%	140 / 189
🔵	Branches	70.02% ⬆️ +0.23%	542 / 774

File Coverage

File	Stmts	Branches	Functions	Lines	Uncovered Lines
Changed Files
worker/handlers/handleMPU.ts	78.84% 🟰 ±0%	68.75% 🟰 ±0%	100% 🟰 ±0%	78.84% 🟰 ±0%	17, 21, 43, 48, 51, 72, 75, 94, 99, 104-105
worker/handlers/handleRead.ts	98.05% ⬆️ +0.04%	90.47% ⬆️ +0.18%	100% 🟰 ±0%	98.05% ⬆️ +0.04%	67, 84
worker/handlers/handleWrite.ts	85.29% 🟰 ±0%	82.47% ⬆️ +0.75%	100% 🟰 ±0%	85.29% 🟰 ±0%	50-56, 88, 97, 103, 140, 168, 175, 183, 217, 222
worker/storage/storage.ts	84.52% 🟰 ±0%	74.6% 🟰 ±0%	100% 🟰 ±0%	84.33% 🟰 ±0%	83-84, 105-106, 113, 135, 137, 140, 247-250, 257, 294

Generated in workflow #58 for commit 1c2c0aa by the Vitest Coverage Report Action