[FIX] base: don't ignore new uninstallable modules

When updating the module list (`ir.module.module.update_list()`), new
modules that are not installable were ignored.
This behavior was not consistent with the database initialization [1]
which creates all modules.

[1] https://github.com/odoo/odoo/blob/5d932e5db164fe80fd7c011ddd53f3494ef89ef5/odoo/modules/db.py#L51-L54

odoo/addons/base/module/module.py

@@ -624,11 +624,10 @@ class Module(models.Model):
                     mod.write(updated_values)
             else:
                 mod_path = modules.get_module_path(mod_name)
-                if not mod_path:
+                if not mod_path or not terp:
                     continue
-                if not terp or not terp.get('installable', True):
-                    continue
-                mod = self.create(dict(name=mod_name, state='uninstalled', **values))
+                state = "uninstalled" if terp.get('installable', True) else "uninstallable"
+                mod = self.create(dict(name=mod_name, state=state, **values))
                 res[1] += 1
 
             mod._update_dependencies(terp.get('depends', []))