fix: 'fixed' hydration issues

This is a **very temporary** fix that involves creating a dummy `<div>`
as a sibling to page content. This is tested to not interfere with full
page layouts, but it is certainly not ideal.

Author: arctic-hen7

packages/perseus/src/reactor/start.rs

@@ -414,15 +414,16 @@ impl Reactor<BrowserNodeType> {
                         // This template is reactive, and will be updated as necessary
                         view! { cx,
                             (*self.current_view.get())
+                            // BUG: Without this, any page that renders only one top-level node will lead to a hydration
+                            // error. Pending input from Sycamore...
+                            div {}
                         }
                     }
                 )
             },
             root,
-            // BUG Hydration is currently disabled at the system level due to critical bugs
-            true,
-            /* force_render, */ /* Depending on whether or not there's an error, we might force
-             * a full render */
+            force_render, /* Depending on whether or not there's an error, we might force
+                           * a full render */
         );
 
         // If we successfully got here, the app is running!