Update env:usermods to use V4

Author: Will Tatam

platformio.ini

@@ -427,7 +427,6 @@ board = esp32dev
 platform = ${esp32_idf_V4.platform}
 build_unflags = ${common.build_unflags}
 build_flags = ${common.build_flags} ${esp32_idf_V4.build_flags} -D WLED_RELEASE_NAME=\"ESP32_V4\" #-D WLED_DISABLE_BROWNOUT_DET
-  ${esp32.AR_build_flags}
 lib_deps = ${esp32_idf_V4.lib_deps}
   ${esp32.AR_lib_deps}
 monitor_filters = esp32_exception_decoder
@@ -628,10 +627,10 @@ lib_deps = ${esp32s2.lib_deps}
 
 [env:usermods]
 board = esp32dev
-platform = ${esp32.platform}
-platform_packages = ${esp32.platform_packages}
+platform = ${esp32_idf_V4.platform}
 build_unflags = ${common.build_unflags}
-build_flags = ${common.build_flags} ${esp32.build_flags} -D WLED_RELEASE_NAME=\"USERMODS\"
-  ${esp32.AR_build_flags}
-lib_deps = ${esp32.lib_deps}
+build_flags = ${common.build_flags} ${esp32_idf_V4.build_flags} -D WLED_RELEASE_NAME=\"ESP32_USERMODS\"
+lib_deps = ${esp32_idf_V4.lib_deps}
+monitor_filters = esp32_exception_decoder
+board_build.flash_mode = dio
 board_build.partitions = ${esp32.big_partitions}