ze(log): Add the ability to view system logs

[zFernand0]

Is your feature request related to a problem? Please describe.

I want to view system logs without leaving Zowe Explorer.

Describe the solution you'd like

Similar to zowe logs list logs, users would benefit from having a "View System Logs" context menu (or command palette) action.

Describe alternatives you've considered

Running TSO/MVS commands, or going to the 3270 😢

Additional context

User feedback from IBM TechXchange

[github-actions]

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