device configuration firefox support fix

app/app/templates/new/admin/user-application-device-configuration.html

@@ -32,7 +32,7 @@
 	      <h3 class="mb-0">Device Configuration</h3>
             </div>
             <div class="card-body">
-		<form id="confform" onsubmit="onsub()">
+		<form id="confform" onsubmit="return onsub(event);">
 			<div class="form-group">
 				<label>Config ID:</label><br>
 				<input type="number" min="0" max="255" size="3" class="form-control" id="confid" name="confid" required><br>
@@ -90,7 +90,8 @@
 
 {% block script %}
 <script type="text/javascript">
-	function onsub() {
+	function onsub(e) {
+		e.preventDefault();
 		$.ajax({
 			url:"/administration/{{ user }}/application/{{ app[1] }}/device/{{ dev[1] }}/configure",
 			type:"POST",

app/app/templates/new/public/device-configuration.html

@@ -25,7 +25,7 @@
 	      <h3 class="mb-0">Device Configuration</h3>
             </div>
             <div class="card-body">
-		<form id="confform" onsubmit="onsub()">
+		<form id="confform" onsubmit="return onsub(event);">
 			<div class="form-group">
 				<label>Config ID:</label><br>
 				<input type="number" min="0" max="255" size="3" class="form-control" id="confid" name="confid" required><br>
@@ -83,7 +83,8 @@
 
 {% block script %}
 <script type="text/javascript">
-	function onsub() {
+	function onsub(e) {
+		e.preventDefault();
 		$.ajax({
 			url:"/application/{{ app[1] }}/device/{{ dev[1] }}/configure",
 			type:"POST",