Patch hole in the letter M in jetbrains_mono_bold_20 (#1175)

Author: Riksu9000

src/displayapp/fonts/CMakeLists.txt

@@ -6,6 +6,8 @@ find_program(LV_FONT_CONV "lv_font_conv" NO_CACHE REQUIRED
 message(STATUS "Using ${LV_FONT_CONV} to generate font files")
 configure_file(${CMAKE_CURRENT_LIST_DIR}/jetbrains_mono_bold_20.c_zero.patch
    ${CMAKE_CURRENT_BINARY_DIR}/jetbrains_mono_bold_20.c_zero.patch COPYONLY)
+configure_file(${CMAKE_CURRENT_LIST_DIR}/jetbrains_mono_bold_20.c_M.patch
+   ${CMAKE_CURRENT_BINARY_DIR}/jetbrains_mono_bold_20.c_M.patch COPYONLY)
 if(CMAKE_VERSION VERSION_GREATER_EQUAL 3.12)
    # FindPython3 module introduces with CMake 3.12
    # https://cmake.org/cmake/help/latest/module/FindPython3.html

src/displayapp/fonts/fonts.json

@@ -12,7 +12,7 @@
       ],
       "bpp": 1,
       "size": 20,
-      "patches": ["jetbrains_mono_bold_20.c_zero.patch"]
+      "patches": ["jetbrains_mono_bold_20.c_zero.patch", "jetbrains_mono_bold_20.c_M.patch"]
    },
    "jetbrains_mono_42": {
       "sources": [

src/displayapp/fonts/jetbrains_mono_bold_20.c_M.patch

@@ -0,0 +1,8 @@
+@@ -217,7 +217,7 @@
+     0xc0, 0xe0, 0x70, 0x38, 0x1c, 0xf, 0xff, 0xfc,
+
+     /* U+004D "M" */
+-    0xf3, 0xfc, 0xfd, 0x3f, 0xcf, 0xff, 0xff, 0xfe,
++    0xf3, 0xfc, 0xff, 0x3f, 0xcf, 0xff, 0xff, 0xfe,
+     0xdf, 0xb7, 0xe1, 0xf8, 0x7e, 0x1f, 0x87, 0xe1,
+     0xf8, 0x70,