BUGFIX: Make text formatting in raw content mode visible

This change removes the css reset which made it impossible to
see any text formatting in raw content mode.

Also the font is now set to use the Neos font instead of just arial
which matches the backend view better.

Neos.Neos/Resources/Private/Fusion/RawContent/Document.fusion

@@ -5,7 +5,6 @@ prototype(Neos.Neos:RawContent.Document) < prototype(Neos.Fusion:Component) {
   renderer = Neos.Neos:Page {
     head {
       stylesheets = afx`
-        <link rel="stylesheet" type="text/css" href={StaticResource.uri('Neos.Neos', 'Public/Styles/Minimal.css')}/>
         <link rel="stylesheet" type="text/css" href={StaticResource.uri('Neos.Neos', 'Public/Styles/RawContentMode.css')}/>
       `
     }

Neos.Neos/Resources/Private/Styles/RawContentMode.scss

@@ -1,4 +1,15 @@
+// Core variables and mixins
+@import "Foundation/variables";
+@import "Foundation/mixins";
 @import "Constants";
+@import "Mixins";
+@import "Fonts";
+@import "FontAwesome/fontawesome.scss";
+@import "FontAwesome/brands.scss";
+@import "FontAwesome/regular.scss";
+@import "FontAwesome/solid.scss";
+@import "Icons";
+@import "Global";
 
 // Typeplate
 @import "Typeplate/VarsTypeplate";
@@ -12,6 +23,9 @@ body {
   background-color: #f5f5f5;
   font-size: 14px;
   padding: 16px;
+
+  // Neos font definition
+  @include font;
 }
 
 #neos-raw-content-container {
@@ -83,7 +97,7 @@ body {
   background-color: #f8f8f8;
   border-left: 5px solid #cdcdcd;
   padding: 16px;
-  margin-bottom: 16px;
+  margin: 0 0 16px;
 }
 
 .neos-raw-content-properties > dd:last-child {