[Bug 1800893] [NEW] Ubuntu 18.10 installer doesn't detect Windows operating systems with BitLocker

[Bump]

Public bug reported:

Running from an usb pendrive the 18.10 ubuntu desktop iso, to install it
on my system. It has a SSD 1TB Windows 10 encrypted with BitLocker.

The installer says:
Installation type
This computer currently has no detected operating systems. What would you like to do?

** Affects: ubiquity (Ubuntu)
     Importance: Undecided
         Status: New

** Attachment added: "Example screenshot from olders version of ubuntu"
   https://bugs.launchpad.net/bugs/1800893/+attachment/5207591/+files/18.10.no.os.png

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https://bugs.launchpad.net/bugs/1800893

Title:
  Ubuntu 18.10 installer doesn't detect Windows operating systems with
  BitLocker

Status in ubiquity package in Ubuntu:
  New

Bug description:
  Running from an usb pendrive the 18.10 ubuntu desktop iso, to install
  it on my system. It has a SSD 1TB Windows 10 encrypted with BitLocker.

  The installer says:
  Installation type
  This computer currently has no detected operating systems. What would you like to do?

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