Fix some stuff

- Error page now displaying (+ removed globe, more space between content and footer)
- Manipulate data if existing

src/routes/_error.svelte

@@ -1,19 +1,23 @@
 <script>
-    import { site } from 'utils/store'
+    import { onMount } from 'svelte'
+    import { site, pageReady } from 'utils/store'
     // Components
     import IconArrow from 'atoms/IconArrow'
     import TitleSite from 'atoms/TitleSite'
     import Button from 'atoms/Button'
-    import InteractiveGlobe from 'molecules/InteractiveGlobe'
     import Footer from 'organisms/Footer'
 
     // Props
     export let status
     export let error
+
+    onMount(() => {
+        pageReady.set(true)
+    })
 </script>
 
 <svelte:head>
-    <title>{$site.seo_name} - {error.message}</title>
+    <title>Houses Of - {error.message}</title>
 </svelte:head>
 
 {#if process.env.NODE_ENV === 'development' && error.stack}
@@ -35,10 +39,8 @@
 
         <div class="page__description style-description">
             <p>Oh no… Looks like something wrong just happened. Like a nasty error {status}.</p>
-            <Button href="/" class="button" text="Go back to the homepage" on:click={() => window.location.href = '/'} />
+            <Button href="/" class="button" text="Go back to homepage" />
         </div>
-
-        <InteractiveGlobe type="part" />
     </div>
 
     <Footer />

src/routes/_layout.svelte

@@ -83,20 +83,24 @@
     /*
     ** Manipulate data
     */
-    // Replace each countrie's continent by the database
-    $countries.forEach(count => count.continent = $continents.find(cont => cont.id === count.continent.id))
+   if ($countries) {
+        // Replace each countrie's continent by the database
+        $countries.forEach(count => count.continent = $continents.find(cont => cont.id === count.continent.id))
 
-    // Push each country to its continent
-    $countries.forEach(country => {
-        const continent = $continents.find(cont => cont.id === country.continent.id)
-        continent.countries = []
-        if (!continent.countries.includes(country)) {
-            continent.countries.push(country)
-        }
-    })
+        // Push each country to its continent
+        $countries.forEach(country => {
+            const continent = $continents.find(cont => cont.id === country.continent.id)
+            continent.countries = []
+            if (!continent.countries.includes(country)) {
+                continent.countries.push(country)
+            }
+        })
+    }
 
     // Replace each location's country by the database
-    $locations.forEach(loc => loc.country = $countries.find(cont => cont.id === loc.country.id))
+    if ($locations) {
+        $locations.forEach(loc => loc.country = $countries.find(cont => cont.id === loc.country.id))
+    }
 
 
     onMount(async () => {