[Time Conductor] Flag to not be prompted when synchronizing Time Conductor

[jvigliotta]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] Having to OK synchronizing the time conductor each time can become tedious.

Describe the solution you'd like A clear and concise description of what you want to happen. A checkbox "Don't show this again". Can be stored in localStorage.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered.

Additional context Add any other context or screenshots about the feature request here.

[ghost]

Implemented code update.

Associated PR: https://github.com/nasa/openmct/pull/7989