Add search.confirmReplaceAll setting to disable Replace All confirmation dialog

[Copilot]

This PR adds a new configuration option search.confirmReplaceAll that allows users to disable the confirmation dialog for "Replace All" operations in the Search view, similar to existing Explorer confirmation settings like explorer.confirmDelete and explorer.confirmDragAndDrop.

Changes

• Configuration: Added search.confirmReplaceAll boolean setting with default value true
• Interface: Updated ISearchConfigurationProperties to include the new optional property
• Logic: Modified SearchView.replaceAll() method to conditionally show confirmation dialog based on configuration
• Testing: Added comprehensive unit tests covering all configuration scenarios

Usage

Users can now add the following to their VS Code settings to disable the Replace All confirmation:

{
  "search.confirmReplaceAll": false
}

Behavior

• true (default): Shows confirmation dialog before replace all operations (preserves existing behavior)
• false: Proceeds directly with replace all without showing confirmation dialog
• undefined/null: Defaults to showing confirmation dialog

Implementation Details

The implementation follows established VS Code patterns:

• Uses the same configuration structure as other confirmation settings
• Maintains backward compatibility by defaulting to true
• Extracts replace logic into a reusable function to avoid code duplication
• Uses the same configuration access pattern as other search settings

Fixes #250272.

Warning

Firewall rules blocked me from connecting to one or more addresses

I tried to connect to the following addresses, but was blocked by firewall rules:

• electronjs.org
  • Triggering command: node-gyp (dns block)

If you need me to access, download, or install something from one of these locations, you can either:

• Configure Actions setup steps to set up my environment, which run before the firewall is enabled
• Add the appropriate URLs or hosts to my firewall allow list

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