Add 'devproxy system-proxy reset' and restore previous system proxy settings - #2100

Add 'devproxy system-proxy reset' and restore previous system proxy settings#2100

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waldekmastykarz:issue-2060-add-a-command-to-restore-system-proxy-se-ffa2f5waldekmastykarz/dev-proxy:issue-2060-add-a-command-to-restore-system-proxy-se-ffa2f5Copy head branch name to clipboard