Email variable was not populated before checking RESTRICTED_DOMAIN (#152

)

Moved the variables up above that code block. It solves the error
when a restricted domain is used.

app/controllers/invite_controller.rb

@@ -28,6 +28,10 @@ def submit
       render :index
       return
     end
+
+    email = params[:email]
+    first_name = params[:first_name]
+    last_name = params[:last_name]
 
     if ENV["RESTRICTED_DOMAIN"]
       domains = ENV["RESTRICTED_DOMAIN"].split(",")
@@ -52,10 +56,6 @@ def submit
       end
     end
 
-    email = params[:email]
-    first_name = params[:first_name]
-    last_name = params[:last_name]
-
     if email.length == 0
       render :index
       return