add back icon_1024 used during release build

package.json

@@ -21,7 +21,7 @@
     "start-prod": "cross-env NODE_ENV=production NODE_APP_INSTANCE=devprod$MULTI electron .",
     "start-swarm-test": "cross-env NODE_ENV=swarm-testing NODE_APP_INSTANCE=$MULTI electron .",
     "grunt": "grunt",
-    "icon-gen": "electron-icon-maker --input=images/icon_1024.png --output=./build",
+    "icon-gen": "electron-icon-maker --input=images/session/session_icon_1024.png --output=./build",
     "generate": "yarn icon-gen && yarn grunt --force",
     "build-release": "cross-env SIGNAL_ENV=production electron-builder --config.extraMetadata.environment=production --publish=never --config.directories.output=release",
     "build-module-protobuf": "pbjs --target static-module --wrap commonjs --out ts/protobuf/compiled.js protos/*.proto && pbts --out ts/protobuf/compiled.d.ts ts/protobuf/compiled.js --force-long",