Polish: UI theme colors, onboarding dismiss, Export button in sidebar (#270)

* Light mode style fixes

* Fix dismissing onboarding for nested routes

* Refactor: move export button to  user side panel

* Refactor: add project data to modeling page loader

* Add new ProjectSidebarMenu

* Convert AppHeader to use ProjectSidebarMenu

* Move ExportButton to ProjectSidebarMenu

* Fix: hide default dir setting in Web

* Add DownloadAppBanner when in Prod

* Add unit tests to ProjectSidebarMenu

* Tiny CSS rounding tweak to sidebars

* Fix formatting in unit tests

* Update icons and logos to use full-color Kitt

* Fix: dim UI on camera drag, not click

src/components/ProjectCard.tsx

@@ -79,11 +79,11 @@ function ProjectCard({
           <div className="p-1 flex flex-col gap-2">
             <Link
               to={`${paths.FILE}/${encodeURIComponent(project.path)}`}
-              className="flex-1"
+              className="flex-1 text-liquid-100"
             >
               {project.name?.replace(FILE_EXT, '')}
             </Link>
-            <span className="text-chalkboard-40 dark:text-chalkboard-60 text-xs">
+            <span className="text-chalkboard-60 text-xs">
               Edited {getDisplayedTime(project.entrypoint_metadata.modifiedAt)}
             </span>
             <div className="absolute bottom-2 right-2 flex gap-1 items-center opacity-0 group-hover:opacity-100 group-focus-within:opacity-100">