refactor: introduce PageHeader component (#6629)

* refactor: introduce PageHeader component

* feat: split up according to component structure guide

* fix: lint

* fix: label inconsistencies

* feat: refactor PageHeader (again)

* refactor: old impls

* fix: changes

* fix: rescan

* fix: prepr

* fix: dedupe

* fix: rev

* fix: lint

* fix: lint

---------

Co-authored-by: Prospector <6166773+Prospector@users.noreply.github.com>

apps/frontend/src/locales/cs-CZ/index.json

@@ -2171,9 +2171,6 @@
   "profile.label.collection": {
     "message": "Kolekce"
   },
-  "profile.label.downloads": {
-    "message": "{count} {countPlural, plural, one {stažení} few {stažení} other {stažení}}"
-  },
   "profile.label.joined": {
     "message": "Členem od"
   },
@@ -2192,9 +2189,6 @@
   "profile.label.organizations": {
     "message": "Organizace"
   },
-  "profile.label.projects": {
-    "message": "{count} {countPlural, plural, one {projekt} few {projekty} other {projektů}}"
-  },
   "profile.label.saving": {
     "message": "Ukládání..."
   },
@@ -2528,12 +2522,6 @@
   "project.settings.visit-dashboard": {
     "message": "Přejít na přehled projektů"
   },
-  "project.stats.downloads-label": {
-    "message": "{count, plural, one {stažení} few {stažení} other {stažení}}"
-  },
-  "project.stats.followers-label": {
-    "message": "{count, plural, one {# sledující} few {# sledující} other {# sledujících}}"
-  },
   "project.versions.title": {
     "message": "Verze"
   },