Packet capture MVC/API conversion

[fichtner]

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• I have read the contributing guide lines at https://github.com/opnsense/core/blob/master/CONTRIBUTING.md
• I am convinced that my issue is new after having checked both open and closed issues at https://github.com/opnsense/core/issues?q=is%3Aissue

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

Packet capture page sometimes doesn't stop capture and doesn't have a way to filter the data recorded.

Describe the solution you like

Move to MVC/API to allow searching the capture and showing related data items known to other components (MAC address or IP, DNS resolving).