fix(aot): fix aot buttons size

- fix aot not being debug-able locally in jitsi-meet-electron app

css/_mini_toolbox.scss

     .toolbox-icon {
         cursor: pointer;
         padding: 7px;
+        width: 25px;
+        height : 25px;
 
         &.toggled {
             background: $AOTToolbarButtonToggleColor;

webpack.config.js

 const config = {
     devServer: {
         https: true,
-        host: '0.0.0.0',
+        host: '127.0.0.1',
         inline: true,
         proxy: {
             '/': {