Material Echo theme

Minimalistic Echo Mini theme using Material Design / Material Symbols icons, partially complete.

Select Midnight black scheme to apply this theme.

List of changes:

Main menu, file manager screen (which is also the library screen), and various UI elements are using the Material icons, two-tone and outlined versions.
Headphone connection and BT connection status is visible at all times (originally when not connected, neither are visible)
SD status also uses Material icons.
DAC / USB connection also changed, this one retains the cassette animation.
Playback interface also changed, with pure black and white scheme, and matching Material icons.
Filetype (for FLAC, DSD and highres) format changed into a silver Material icon.
The dialogbox, media refresh screen has a titlebar.

Changed image names:
BAAKEY32_(182,284).BMP.bmp
BAAKEY33_(182,284).BMP.bmp
BAAKEY35_(182,284).BMP.bmp
BBROWSER_BACKGROUND_(0,0).BMP.bmp
BBROWSER_FILETYPE_FOLDER_(12,30).BMP.bmp
BBROWSER_FILETYPE_MUSIC_(12,30).BMP.bmp
BBTOFF_(132,3).BMP.bmp
BBTOK_(132,3).BMP.bmp
BBTON_(132,3).BMP.bmp
BCARDHAVE_(0,0).BMP.bmp
BCARDNO_(0,0).BMP.bmp
BDIALOGBOX_BACKGROUND_(0,40).BMP.bmp
BDIALOGBOX_BUTTONYES_(26,106).BMP.bmp
BEARHAVE_(0,0).BMP.bmp
BEARNO_(0,0).BMP.bmp
BICON_SEL1_(0,0).BMP.bmp
BMAINMENUPAGE10_(0,0).BMP.bmp
BMAINMENUPAGE20_(0,0).BMP.bmp
BMAINMENUPAGE30_(0,0).BMP.bmp
BMAINMENUPAGE40_(0,0).BMP.bmp
BMAINMENUPAGE50_(0,0).BMP.bmp
BMDB_BACKGROUND_(0,0).BMP.bmp
BMUSIC_B_(0,0).BMP.bmp
BMUSIC_BACKGROUND1_(0,0).BMP.bmp
BMUSIC_BACKGROUND2_(0,0).BMP.bmp
BMUSIC_BOTTOMA_(0,180).BMP.bmp
BPONIT_NOSEL1_(0,0).BMP.bmp
BSEL_ICONPART0A_(28,0).BMP.bmp
BSEL_ICONPART0B_(28,0).BMP.bmp
BSEL_ICONPART0C_(28,0).BMP.bmp
BUSB_BACKGROUND_(0,0).BMP.bmp
BUSB_DAC_(0,0).BMP.bmp
BUSB_DATA_(0,0).BMP.bmp
BUSB_PLAYER_(0,0).BMP.bmp
BWARNING_BOX_(0,40).BMP.bmp
