OcBootManagementLib: Auto-detect `macOS Installer` text label for use when `.disk_label` file cannot be displayed
Fixes https://github.com/acidanthera/bugtracker/issues/1939

- Add support for .contentFlavour and .contentDetails
- Add LINUX_BOOT_ADD_RW flag
- Add flags+= and flags-=
- Fixed entry name disambiguation when LINUX_BOOT_USE_LATEST is unset

OpenCanopy: Remove <BOOTPATH>.icns and <TOOLPATH>.icns searches, prior to implementing flavour system

closes acidanthera/bugtracker#1270

closes acidanthera/bugtracker#1042

Includes fixing an issue where generic booters were added for file systems that already had a primary booter by the use of "core" Apple Boot Policy predefined paths.

Co-authored-by: Nvit9696 <vit9696@users.noreply.github.com>
Co-authored-by: NDownload-Fritz <download-fritz@outlook.com>

closes acidanthera/bugtracker#859

- Implemented disk label support
- Implemented volume icon support
- Separated PickerAttrbutes from ConsoleAttributes
Co-authored-by: Nvit9696 <vit9696@users.noreply.github.com>
Co-authored-by: NMichael Belyaev <usrsse2@me.com>