Move the logic for opening empty initial buffer to renderer

src/atom.coffee

@@ -605,6 +605,8 @@ class Atom extends Model
       @setAutoHideMenuBar(newValue)
     @setAutoHideMenuBar(true) if @config.get('core.autoHideMenuBar')
 
+    @openInitialEmptyEditorIfNecessary()
+
     maximize = dimensions?.maximized and process.platform isnt 'darwin'
     @displayWindow({maximize})
 
@@ -629,6 +631,10 @@ class Atom extends Model
 
     @windowEventHandler?.unsubscribe()
 
+  openInitialEmptyEditorIfNecessary: ->
+    if @project.getPaths().length is 0 and @workspace.getPaneItems().length is 0
+      @workspace.open(null, {isInitialEmptyEditor: true})
+
   ###
   Section: Messaging the User
   ###