Pass password as first arg to Python and Node URL-encoding commands

Pass the password as argv[1] (single-quoted) instead of embedding it in
the inline script. Avoids escaping issues with special characters in the
script string itself.

Author: arajkumar

src/partials/_livesync-connection-string-note.mdx

@@ -14,14 +14,14 @@ If you prefer not to paste your password into a form, you can URL-encode it in y
 <TabItem label="Python">
 
 ```bash
-python3 -c "import urllib.parse; print(urllib.parse.quote('<password>'))"
+python3 -c "import sys, urllib.parse; print(urllib.parse.quote(sys.argv[1]))" '<password>'
 ```
 
 </TabItem>
 <TabItem label="Node.js">
 
 ```bash
-node -e "console.log(encodeURIComponent('<password>'))"
+node -e "console.log(encodeURIComponent(process.argv[1]))" '<password>'
 ```
 
 </TabItem>