Skip scripts during 'platformio init' (#21643)

buildroot/share/PlatformIO/scripts/preflight-checks.py

@@ -2,9 +2,15 @@
 # preflight-checks.py
 # Check for common issues prior to compiling
 #
-import os,re,sys
 Import("env")
 
+# Detect that 'vscode init' is running
+from SCons.Script import COMMAND_LINE_TARGETS
+if "idedata" in COMMAND_LINE_TARGETS:
+    env.Exit(0)
+
+import os,re,sys
+
 def get_envs_for_board(board):
 	with open(os.path.join("Marlin", "src", "pins", "pins.h"), "r") as file: