Rename main styles files

[MAILPOET-2487]

lib/PostEditorBlocks/PostEditorBlock.php

@@ -54,7 +54,7 @@ class PostEditorBlock {
 
     $this->wp->wpEnqueueStyle(
       'mailpoetblock-form-block-css',
-      Env::$assetsUrl . '/dist/css/' . $this->renderer->getCssAsset('post-editor-block.css'),
+      Env::$assetsUrl . '/dist/css/' . $this->renderer->getCssAsset('mailpoet-post-editor-block.css'),
       ['wp-edit-blocks'],
       Env::$version
     );

views/form/editor.html

@@ -1,7 +1,7 @@
 <% extends 'layout.html' %>
 
 <% block after_css %>
-<%= stylesheet('formEditor.css') %>
+<%= stylesheet('mailpoet-form-editor.css') %>
 <%= stylesheet('mailpoet-public.css') %>
 <% endblock %>