refactored the layout:

removed fixed head, replaced with flex
moved pagetitle and searchform to headerbottom region
added Common store to vuejs with pagetitle data
added pagetitle vuejs component

config/sync/block.block.pagetitle.yml

@@ -1,15 +1,13 @@
-uuid: e24f300b-ad2d-47ff-851c-875b1c353ce0
+uuid: 6949aa34-9acf-49e4-b95a-8551fd26b6bc
 langcode: en
 status: true
 dependencies:
-  module:
-    - system
   theme:
     - materiotheme
 id: pagetitle
 theme: materiotheme
-region: content
-weight: -1
+region: header_bottom
+weight: -3
 provider: null
 plugin: page_title_block
 settings:
@@ -17,9 +15,4 @@ settings:
   label: 'Page title'
   provider: core
   label_display: '0'
-visibility:
-  request_path:
-    id: request_path
-    pages: '<front>'
-    negate: true
-    context_mapping: {  }
+visibility: {  }