improve sunrise/sunset on custom LCD

watch-library/shared/watch/watch_common_display.c

@@ -33,7 +33,7 @@ uint32_t IndicatorSegments[7] = {0};
 
 void watch_display_character(uint8_t character, uint8_t position) {
     if (watch_get_lcd_type() == WATCH_LCD_TYPE_CUSTOM) {
-        if (character == 'R') character = 'r'; // We can't display uppercase R on this display.
+        if (character == 'R' && position > 1 && position < 8) character = 'r'; // We can't display uppercase R in these positions
         else if (character == 'T' && position > 1 && position < 8) character = 't'; // lowercase t is the only option for these positions
     } else {
         // special cases for positions 4 and 6

watch-library/shared/watch/watch_common_display.h

@@ -97,7 +97,7 @@ static const uint8_t Custom_LCD_Character_Set[] =
     0b00111111, // O
     0b01110011, // P
     0b01100111, // Q
-    0b01010000, // R (lowercase, this is the only capital we can't do)
+    0b11000111, // R
     0b01101101, // S
     0b10000001, // T (only works in position 0; set (1, 12) to make it work in position 1)
     0b00111110, // U