[FIX] web, mail, base: config's `isMobile` definition

The `isMobile` variable was defined at the right place (`config.device`)
but was set at the wrong place (`config`).

Thank you for making me author of all the `isMobile` lines by
the way... :)

1 files changed, 1 insertions, 1 deletions

diff --git a/addons/mail/static/src/js/window_manager.js b/addons/mail/static/src/js/window_manager.js
index a08b4f5052b..28bf4ad71e9 100644
--- a/addons/mail/static/src/js/window_manager.js
+++ b/addons/mail/static/src/js/window_manager.js
@@ -272,7 +272,7 @@ function render_hidden_sessions_dropdown () {
         sessions: display_state.hidden_sessions,
         open: display_state.windows_dropdown_is_open,
         unread_counter: display_state.hidden_unread_counter,
-        widget: {isMobile: config.isMobile},
+        widget: {isMobile: config.device.isMobile},
     }));
     return $dropdown;
 }