Add "No Proxy" option to proxy settings

src/neochatconfig.kcfg

@@ -136,6 +136,9 @@
         <choice name="Socks5">
           <label>Socks5</label>
         </choice>
+        <choice name="NoProxy">
+          <label>NoProxy</label>
+        </choice>
         <default>System</default>
       </choices>
     </entry>

src/proxycontroller.cpp

@@ -30,6 +30,10 @@ void ProxyController::setApplicationProxy()
         proxy.setPassword(cfg->proxyPassword());
         QNetworkProxy::setApplicationProxy(proxy);
         break;
+    case 3:
+        proxy.setType(QNetworkProxy::NoProxy);
+        QNetworkProxy::setApplicationProxy(proxy);
+        break;
     default:
         QNetworkProxyFactory::setUseSystemConfiguration(true);
         break;

src/settings/NetworkProxyPage.qml

@@ -29,6 +29,14 @@ FormCard.FormCardPage {
                 currentType = 0;
             }
         }
+        FormCard.FormRadioDelegate {
+            text: i18n("No Proxy")
+            checked: currentType === 3
+            enabled: !Config.isProxyTypeImmutable
+            onToggled: {
+                currentType = 3;
+            }
+        }
         FormCard.FormRadioDelegate {
             text: i18n("HTTP")
             checked: currentType === 1