Pico-8 Wrapper configuration improvement (#1371)

- Fix little stuttering on [bench
test](https://dl.dropbox.com/scl/fi/x3kgfpg18tum8b0zv26em/perf2.p8?rlkey=6xbyakr1ml95urt4t9lxxfcic&dl=0)
- Fix bin folder presence
- Fix config.txt file creation when it's not present

static/configs/Saves/CurrentProfile/saves/PICO-8/.lexaloffle/pico-8/config.txt

@@ -26,7 +26,7 @@ blit_method 2  // 0 auto  1 software (slower but sometimes more reliable)  2 har
 
 // :: System Settings
 
-foreground_sleep_ms 5 // number of milliseconds to sleep each frame. Try 10 to conserve battery power
+foreground_sleep_ms 10 // number of milliseconds to sleep each frame. Try 10 to conserve battery power
 
 background_sleep_ms 10 // number of milliseconds to sleep each frame when running in the background
 

static/packages/RApp/PICO-8 (PICO-8 standalone)/RApp/PICO-8/launch.sh

@@ -22,7 +22,6 @@ fixconfig() {
 
     if [ ! -f "$config_file" ]; then
         echo "Config file not found, creating with default values."
-        return
     fi
 
     echo "Config checker: Validating display settings in config.txt"