Rebuild Capture - Step D1 (Stateful Capture Items)

[seanwu1105]

• Add mutex lock when updating database table.
• Navigate up after deleting capture item in capture-details page.
• Remove notificatinos when collecting and uploading proofs.
• Implement stateful CaptureItem and CaptureItemComponent.
• Display an empty small image to avoid border of img without src.
• Remove spinners in inbox and transactions pages.