Activate modules that are not activated in demo

0af71ac1106b wrongly tested the module to activate
(grafted from 31f2ed6d2f7814576a6b47aab25b4e2d213754c4)

--HG--
branch : 8.0

demo/__main__.py

@@ -26,7 +26,7 @@ def activate_modules(config, modules):
     for module in modules:
         if module.state == 'activated':
             module.click('upgrade')
-        elif module.state != 'not activated':
+        elif module.state == 'not activated':
             module.click('activate')
     modules = [x.name for x in Module.find([('state', '=', 'to activate')])]
     Wizard('ir.module.activate_upgrade').execute('upgrade')