reduced mac app icon size to be consistent with other apps

build/README.md

@@ -5,6 +5,6 @@ If you update the app icon, you also need to update all those file generated fro
 
 The current source file is build/session_icon_source_1024px.png
 
--> macOS: use https://cloudconvert.com/png-to-icns to get .icns from the 1024px.png source file => save as icon.icns
+-> macOS: use https://cloudconvert.com/png-to-icns to get .icns from the 1024px.png source file => save as icon-mac.icns
 -> windows: use https://cloudconvert.com/png-to-ico to get .ico from the 1024px.png source file => save as icon.ico
 -> linux: build binaries on github actions, get the zip with the deb+appImage, extract it, all the icons are in a .icons-set folder, and you can copy paste them into build/icons

package.json

@@ -212,7 +212,7 @@
     },
     "mac": {
       "category": "public.app-category.social-networking",
-      "icon": "build/icon.icns",
+      "icon": "build/icon-mac.icns",
       "target": [
         "dmg",
         "zip"
@@ -251,7 +251,7 @@
       },
       "asarUnpack": "node_modules/spellchecker/vendor/hunspell_dictionaries",
       "target": ["deb", "rpm", "freebsd"],
-      "icon": "build/icon.icns"
+      "icon": "build/icon-linux.icns"
     },
     "asarUnpack": [
       "node_modules/better-sqlite3/build/Release/better_sqlite3.node"