feat: Allow host app to update title of drawing (#3273)

* Allow updating name on updateScene

* Revert "Allow updating name on updateScene"

This reverts commit 4e07a608d3.

* Make requested changes

* Make requested changes

* Remove customName from state

* Remove redundant if statement

* Add tests, update changelog and minor fixes

* remove eempty lines

* minor fixes

* no border and on hover no background change

* Give preference to name prop when initialData.appState.name is present and update specs

* minor fix

* Fix name input style in dark mode

Co-authored-by: Aakansha Doshi <aakansha1216@gmail.com>

src/components/ExportDialog.scss

@@ -34,6 +34,14 @@
 
     .TextInput {
       height: calc(1rem - 3px);
+
+      &--readonly {
+        background: none;
+        border: none;
+        &:hover {
+          background: none;
+        }
+      }
     }
   }