reduce the required size with uint16_t modifiers

Marlin/src/lcd/dogm/status_screen_DOGM.cpp

@@ -345,7 +345,7 @@ void MarlinUI::draw_status_screen() {
       static char progress_string[5];
     #endif
     static uint8_t lastElapsed = 0, elapsed_x_pos = 0;
-    static char elapsed_string[22];
+    static char elapsed_string[16];
     #if ENABLED(SHOW_REMAINING_TIME)
       #define SHOW_REMAINING_TIME_PREFIX 'E'
       static uint8_t estimation_x_pos = 0;