Relay 0.5.7

Changes for Relay 0.5.7 UI polish Made the room pill more prominent and dynamic in the main window title; removed the minimum-width constraint on the title. Restyled blockquotes with a leading quote icon. Refactored reaction badges. Text zoom Added text zoom for the timeline and compose box (View menu). Zoom now scales the app chrome too, debounces row re-measurement, and keeps the timeline…