fix(core): fix TS3 bootloader crash when entering menu

[no changelog]

core/SConscript.bootloader

@@ -35,7 +35,7 @@ if TREZOR_MODEL in ('R', ):
     FONT_DEMIBOLD='Font_PixelOperator_Regular_8'
     FONT_BOLD='Font_PixelOperator_Bold_8'
     FONT_MONO='Font_PixelOperator_Regular_8'
-    FONT_BIG=None
+    FONT_BIG='Font_PixelOperator_Regular_8'
 elif TREZOR_MODEL in ('T', 'DISC1', 'DISC2'):
     FONT_NORMAL='Font_TTHoves_Regular_21'
     FONT_DEMIBOLD='Font_TTHoves_Regular_21'

core/SConscript.bootloader_ci

@@ -33,7 +33,7 @@ if TREZOR_MODEL in ('1', 'R'):
     FONT_DEMIBOLD=None
     FONT_BOLD=None
     FONT_MONO='Font_PixelOperatorMono_Regular_8'
-    FONT_BIG=None
+    FONT_BIG='Font_PixelOperator_Regular_8'
 elif TREZOR_MODEL in ('T',):
     FONT_NORMAL='Font_Roboto_Regular_20'
     FONT_DEMIBOLD=None

core/SConscript.bootloader_emu

@@ -32,7 +32,7 @@ if TREZOR_MODEL in ('1', 'R'):
     FONT_DEMIBOLD='Font_PixelOperator_Regular_8'
     FONT_BOLD='Font_PixelOperator_Bold_8'
     FONT_MONO='Font_PixelOperator_Regular_8'
-    FONT_BIG=None
+    FONT_BIG='Font_PixelOperator_Regular_8'
 elif TREZOR_MODEL in ('T', 'DISC2'):
     FONT_NORMAL='Font_TTHoves_Regular_21'
     FONT_DEMIBOLD=None