Since, this has the side-effect to make any theme color component from 0x0B to 0xC7
work, add theme background controls in Nyx Options.
Additionally, set shadow color to black and fix inactive buttons on transparent styles.
- Fix the verification % and bar if restored backup is smaller than partition
- Use orange bar for restoring when writing to eMMC/emuMMC.
- Fix bar color on restoring after verification
- Allow verification to be aborted for all parts in partial mode (FAT32 or small card)
Icons that have `_nobox.bmp` in their name will make the grey background disappear.
Additionally a new option was added in Nyx Options called `Extended Boot Entries` that allows user to have a total of 10 entries showing up in Launch and More configs menus.
gcc 10 no longer lets you get away with not externing global variables in header files. This adds the necessary extern and adds defines in appropriate c files
