Merge the two date time nodes

merge the two date time nodes. One of the control questions should be: do you want the output as string or unix timestamp? Default should be string. Depending on what the user selects, you can change the type of output socket

Do you want the output as?
- String
- Unix Timestamp

What should be the output value?
- Current date and time
- Fixed date and time - show date and time fields if user selects this radio button
- Current date and time + offset - show offset textfield and dropdown containing seconds, minutes, hours, weeks, months, years when user selects this radio button
- Current date and time - offset - show offset textfield and dropdown containing seconds, minutes, hours, weeks, months, years when user selects this radio button