Disable THETA Automount on Linux and NVIDIA Jetson for USB API

When using the RICOH THETA with the USB API, the camera may be inaccessible.

With the RICOH THETA Z1 and ptpcam, you may see this type of error message.

craig@jetpack-4:~$ theta --info

THETA Device Info
==================
ERROR: Could not open session!
craig@jetpack-4:~$ 

craig@jetpack-4:~$ theta --capture

Initiating capture...
ERROR: Could not open session!
craig@jetpack-4:~$ 

After manual unmount

You can use manual unmount.

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craig@jetpack-4:~$ theta --info

THETA Device Info
==================
Model: RICOH THETA Z1
  manufacturer: Ricoh Company, Ltd.
  serial number: '10010104'
  device version: 2.10.3
  extension ID: 0x00000006
  image formats supported: 0x00000005
  extension version: 0x006e

Disable Automount

$ sudo apt install dconf-editor
$ dconf-editor

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