CustomFX, platformIO and bin name: small updates

platformio: 
- remove ABL_MILLIAMPS_DEFAULT from build_flags_min, set default 1500 in const.h
- add default in wemos_shield_esp32_4MB_max_base
- add wemos_shield_esp32_16MB_SPM1423_max

arti_wled.h: bugfix use all leds in 2D
usermod_v2_customeffects.h: fill black if call==0

index.js and xml.cpp: bin name: replace one _ by ' ' to enable line wrap in info tab and ota update

wled00/xml.cpp

@@ -718,7 +718,7 @@ void getSettingsJS(byte subPage, char* dest)
     sappends('m',SET_F("(\"sip\")[0]"),(char*)F("WLEDMM_"));
     olen -= 2; //delete ";
     oappend(versionString);
-    oappend(SET_F("_"));
+    oappend(SET_F(" "));
     oappend(releaseString);
     oappend(SET_F(".bin<br>("));
     #if defined(CONFIG_IDF_TARGET_ESP32C3)