Pause automatic updates on metered connections

[Dmitriy Vasyura (dmitrivMS)]

• skip automatic update checks, latest-version probes, overwrite checks, and downloads while the connection is metered
• await the renderer's initial metered sample before update initialization can schedule automatic work
• defer unmetered resumption until platform post-initialization finishes, preserving pending-update recovery and startup cleanup
• keep deferred automatic intent coupled to the private main-process update state without changing the public update IPC state
• resume preserved deferred work when automatic update mode is re-enabled while already unmetered
• recheck metering after awaited overwrite probes and immediately before the Win32 installer download request
• preserve explicit user-triggered update actions and already-started requests
• skip automatic post-update information fetching while metered while preserving the explicit command
• keep metered messaging centralized and scoped to background activities known to honor the setting

Fixes #297350

[Copilot]

Pull request overview

Pauses background update activity on metered connections while preserving explicit user actions.

Changes:

• Guards automatic checks, downloads, probes, and post-update requests.
• Resumes automatic update processing when unmetered.
• Centralizes metered-connection messaging in the status bar.

Show a summary per file

File	Description
abstractUpdateService.ts	Adds metered guards and resume handling.
abstractUpdateService.test.ts	Tests metered update behavior.
postUpdateWidget.ts	Skips automatic post-update requests.
postUpdateWidget.test.ts	Tests automatic and explicit requests.
updateTooltip.ts	Removes metered-specific tooltip messaging.
updateTitleBarEntry.test.ts	Updates tooltip test setup.
meteredConnectionStatus.ts	Expands centralized status messaging.

Review details

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• Files reviewed: 7/7 changed files
• Comments generated: 3
• Review effort level: Balanced

[Copilot]

Review details

• Files reviewed: 7/7 changed files
• Comments generated: 1
• Review effort level: Balanced

[Copilot]

Review details

• Files reviewed: 10/10 changed files
• Comments generated: 2
• Review effort level: Balanced

[Copilot]

Review details

• Files reviewed: 13/13 changed files
• Comments generated: 0 new
• Review effort level: Balanced