#308 don't save 'password' (input element), save 'passwords' values

html5/index.html

@@ -898,7 +898,9 @@ <h2>Xpra Bug Report</h2>
 								props["debug_"+category] = true;
 							}
 							if (insecure || Utilities.hasSessionStorage()) {
-								props["password"] = password;
+								for (let i = 0; i < passwords.length; i++) {
+									add_prop("password"+i, passwords[i]);
+						                }
 							}
 							else {
 								props["password"] = "";