fix: change exit code to 0 when no input is detected in paste script

Allow the paste script to exit gracefully with code 0 when no input is
detected, enabling it to be used as input for other commands or
algorithms without causing errors.

scripts/paste

@@ -12,7 +12,7 @@ fi
 
 if [ -z "$clipboard_content" ]; then
   echoinfo "⚠️ No input received!"
-  exit 1
+  exit 0
 fi
 
 echoinfo "✅ Echoing clipboard contents:"