front/app,core: fix horizontal scroll

frontend/packages/app/src/App.tsx

@@ -30,7 +30,7 @@ const useStyles = makeStyles(theme => ({
     // FIXME: Don't used a fixed width here
     gridTemplateColumns: '64px auto',
     gridTemplateRows: '1fr',
-    width: '100vw',
+    width: '100%',
     height: '100vh',
   },
 }));

frontend/packages/core/src/layout/Header/Header.js

@@ -103,7 +103,7 @@ const styles = theme => ({
     gridArea: 'pageHeader',
     padding: theme.spacing(3),
     minHeight: 118,
-    width: '100vw',
+    width: '100%',
     boxShadow: '0 0 8px 3px rgba(20, 20, 20, 0.3)',
     position: 'relative',
     zIndex: 100,