status: extend to provide all camera options and properties in JSON payload

- control: add `device_option_is_equal`
- libcamera: provide human readable configurable options
- v4l2: include camera control values
- libcamera: store all applied controls
- libcamera: use `device_option_is_equal`

.gitmodules

@@ -2,3 +2,6 @@
 	path = third_party/libdatachannel
 	url = https://github.com/paullouisageneau/libdatachannel.git
 	ignore = dirty
+[submodule "third_party/magic_enum"]
+	path = third_party/magic_enum
+	url = https://github.com/Neargye/magic_enum.git