Add Toolbar factory, Use new factory entry for cancel buttons, better check of twig errors, fix fatal error page

css/backoffice/components/_all.scss

@@ -25,6 +25,7 @@
 @import "fieldset";
 @import "field";
 @import "toolbar";
+@import "toolbar-spacer";
 @import "richtext";
 @import "formtable";
 @import "formtablerow";

css/backoffice/components/_toolbar-spacer.scss

@@ -0,0 +1,11 @@
+/*!
+ * copyright   Copyright (C) 2010-2021 Combodo SARL
+ * license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+
+.ibo-toolbar--button {
+  .ibo-toolbar-spacer {
+    flex-grow: 1;
+  }
+}

css/backoffice/components/_toolbar.scss

@@ -3,6 +3,24 @@
  * license     http://opensource.org/licenses/AGPL-3.0
  */
 
-.ibo-action-toolbar {
-  position: relative;
-}
+$ibo-toolbar--button-margin-top: 16px !default;
+$ibo-toolbar--margin: 6px 0 !default;
+
+.ibo-toolbar {
+  margin: $ibo-toolbar--margin;
+
+  &.ibo-toolbar--action {
+    position: relative;
+  }
+
+  &.ibo-toolbar--button {
+    @extend %ibo-vertically-centered-content;
+    margin-top: $ibo-toolbar--button-margin-top;
+  }
+
+  &.ibo-toolbar-top{
+    padding-left: calc(90px + 64px);
+    text-align: right;
+  }
+}
+

css/backoffice/utils/helpers/_misc.scss

@@ -23,7 +23,9 @@
 .ibo-is-hidden{
 	display: none !important; /* Note: !important is necessary as it needs to overload any standard rules */
 }
-
+.ibo-is-fullwidth {
+  width: 100%;
+}
 /* Used on all ancestors when an element needs to be fullscreen (see .ibo-is-fullscreen) */
 html.ibo-has-fullscreen-descendant{
 	position: fixed !important;

css/errorpage.scss

@@ -1,8 +0,0 @@
-body{
-	align-items: center;
-}
-#ibo-page-container{
-	flex-grow: 0;
-	height: auto;
-	border: 3px solid #CBD2D9;
-}