Ignore my last comment, I think chromebug was lying.
Basically what is happening is that the observer in thunderbirdMenu.js never fires when the menu service comes online, so the code which moves the spinner from the menubar to the toolbar is never called
Ignore my last comment, I think chromebug was lying.
Basically what is happening is that the observer in thunderbirdMenu.js never fires when the menu service comes online, so the code which moves the spinner from the menubar to the toolbar is never called