build: fix setting webpack mode

package-lock.json

       }
     },
     "lib-jitsi-meet": {
-      "version": "github:jitsi/lib-jitsi-meet#75a556e3950dfc396d7aa8306b42de67f372e1cf",
-      "from": "github:jitsi/lib-jitsi-meet#75a556e3950dfc396d7aa8306b42de67f372e1cf",
+      "version": "github:jitsi/lib-jitsi-meet#7ecead1ac01d07c300675789f66c47a07b0fb187",
+      "from": "github:jitsi/lib-jitsi-meet#7ecead1ac01d07c300675789f66c47a07b0fb187",
       "requires": {
         "@jitsi/sdp-interop": "0.1.13",
         "@jitsi/sdp-simulcast": "0.2.1",

package.json

     "jsc-android": "224109.1.0",
     "jsrsasign": "8.0.12",
     "jwt-decode": "2.2.0",
-    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#75a556e3950dfc396d7aa8306b42de67f372e1cf",
+    "lib-jitsi-meet": "github:jitsi/lib-jitsi-meet#7ecead1ac01d07c300675789f66c47a07b0fb187",
     "libflacjs": "github:mmig/libflac.js#93d37e7f811f01cf7d8b6a603e38bd3c3810907d",
     "lodash": "4.17.11",
     "moment": "2.19.4",

webpack.config.js

         }
     },
     devtool: 'source-map',
-    mode: minimize ? 'development' : 'production',
+    mode: minimize ? 'production' : 'development',
     module: {
         rules: [ {
             // Transpile ES2015 (aka ES6) to ES5. Accept the JSX syntax by React