Fix display of non-ASCII SSID

ajax/networking/wifi_stations.php

@@ -14,6 +14,7 @@ knownWifiStations($networks);
 nearbyWifiStations($networks, !isset($_REQUEST["refresh"]));
 connectedWifiStations($networks);
 sortNetworksByRSSI($networks);
+foreach ($networks as $ssid => $network) $networks[$ssid]["ssidutf8"] = ssid2utf8( $ssid ); 
 
 $connected = array_filter($networks, function($n) { return $n['connected']; } );
 $known     = array_filter($networks, function($n) { return !$n['connected'] && $n['configured']; } );

templates/wifi_stations/network.php

@@ -3,9 +3,8 @@
 		<input type="hidden" name="ssid<?php echo $index ?>" value="<?php echo htmlentities($network['ssid'], ENT_QUOTES) ?>" />
 		<?php if (strlen($network['ssid']) == 0) {
 			$network['ssid'] = "(unknown)";
-        } ?>
-		<h5 class="card-title"><?php echo htmlspecialchars($network['ssid'], ENT_QUOTES); ?></h5>
-
+		} ?>
+		<h5 class="card-title"><?php echo htmlspecialchars($network['ssidutf8'], ENT_QUOTES); ?></h5>
 		<div class="info-item-wifi"><?php echo _("Status"); ?></div>
 		<div>
 			<?php if ($network['configured']) { ?>