Fix device flashing scripts so they work with esptool when it's installed via pipx (#5269)

* Try esptool.py in device flashing scripts for pipx compatibility

* esptool detection fixes in device flashing .bat's

bin/device-update.sh

@@ -2,6 +2,18 @@
 
 PYTHON=${PYTHON:-$(which python3 python|head -n 1)}
 
+# Determine the correct esptool command to use
+if "$PYTHON" -m esptool version >/dev/null 2>&1; then
+    ESPTOOL_CMD="$PYTHON -m esptool"
+elif command -v esptool >/dev/null 2>&1; then
+    ESPTOOL_CMD="esptool"
+elif command -v esptool.py >/dev/null 2>&1; then
+    ESPTOOL_CMD="esptool.py"
+else
+    echo "Error: esptool not found"
+    exit 1
+fi
+
 # Usage info
 show_help() {
 cat << EOF
@@ -9,7 +21,7 @@ Usage: $(basename $0) [-h] [-p ESPTOOL_PORT] [-P PYTHON] [-f FILENAME|FILENAME]
 Flash image file to device, leave existing system intact."
 
     -h               Display this help and exit
-    -p ESPTOOL_PORT  Set the environment variable for ESPTOOL_PORT.  If not set, ESPTOOL iterates all ports (Dangerrous).
+    -p ESPTOOL_PORT  Set the environment variable for ESPTOOL_PORT.  If not set, ESPTOOL iterates all ports (Dangerous).
     -P PYTHON        Specify alternate python interpreter to use to invoke esptool. (Default: "$PYTHON")
     -f FILENAME      The *update.bin file to flash.  Custom to your device type.
     
@@ -30,7 +42,7 @@ while getopts ":hp:P:f:" opt; do
         f)  FILENAME=${OPTARG}
             ;;
         *)
- 	    echo "Invalid flag."
+ 	        echo "Invalid flag."
             show_help >&2
             exit 1
             ;;
@@ -45,7 +57,7 @@ shift "$((OPTIND-1))"
 
 if [ -f "${FILENAME}" ] && [ -z "${FILENAME##*"update"*}" ]; then
 	printf "Trying to flash update ${FILENAME}"
-	$PYTHON -m esptool --baud 115200 write_flash 0x10000 ${FILENAME}
+	$ESPTOOL_CMD --baud 115200 write_flash 0x10000 ${FILENAME}
 else
 	show_help
 	echo "Invalid file: ${FILENAME}"