Room title is misaligned when room topic is too long
When room topic is long enough to be ellipsized (or window is too narrow), room title is centered against the topic, not against the headerbar.
Correctly aligned title and topic:
Incorrectly aligned title:
GtkBox into which title and topic are packed gets shifted to the left to accomodate hamburger and close button, and the title is centered inside that box.
The same would happen in a hypothetical room with a very long title and a very short topic.