Fix timeout problems

[ssvine]

• SCP/SFTP: Allow to continue waiting in timeout dialog
• Fix: Message dialog not closed if timeout issue is resolved
• Allow to set a confirmation dialog timeout
• SCP/SFTP: Zero timeout should be no timeout

[sonarcloud[bot]]

Quality Gate failed

Failed conditions
B Maintainability Rating on New Code (required ≥ A)

See analysis details on SonarCloud

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[michaellukashov]

Спасибо, применено