fix(viewer): draw header and tab icons at the terminal toolbar's 16px

viewer-ui/src/components/repository/ProjectStrip.tsx

@@ -133,7 +133,7 @@ export function ProjectStrip({
               aria-label={`close ${r.name}`}
               className="mr-1 flex h-6 w-6 shrink-0 items-center justify-center rounded-sm text-ink-400 hover:text-removed"
             >
-              <XIcon className="h-3.5 w-3.5" />
+              <XIcon />
             </button>
           </div>
         ))}

viewer-ui/src/components/shell/Header.tsx

@@ -132,7 +132,7 @@ export function Header({
         aria-label="sign out"
         className="ml-1 flex h-6 w-6 shrink-0 items-center justify-center rounded-sm text-ink-400 hover:text-accent"
       >
-        <LogOutIcon className="h-3.5 w-3.5" />
+        <LogOutIcon />
       </a>
     </header>
   );

viewer-ui/src/components/shell/SettingsMenu.tsx

@@ -102,7 +102,7 @@ export function SettingsMenu({
         title="Settings"
         className="ml-auto flex h-6 w-6 shrink-0 items-center justify-center rounded-sm text-ink-400 hover:text-accent"
       >
-        <SettingsIcon className="h-3.5 w-3.5" />
+        <SettingsIcon />
       </button>
       {open && (
         <div