chore: rename exporter built-in property

use dashes like other built-ins

deps/db/src/logseq/db/frontend/property.cljs

@@ -37,11 +37,11 @@
                                    :cardinality :many
                                    :public? true
                                    :classes #{:logseq.class}}}
-   :logseq.property/pagetags {:original-name "pageTags"
-                              :schema {:type :page
-                                       :public? true
-                                       :view-context :page
-                                       :cardinality :many}}
+   :logseq.property/page-tags {:original-name "pageTags"
+                               :schema {:type :page
+                                        :public? true
+                                        :view-context :page
+                                        :cardinality :many}}
    :logseq.property/background-color {:schema {:type :default :hide? true}}
    :logseq.property/background-image {:schema
                                       {:type :default

deps/graph-parser/src/logseq/graph_parser/exporter.cljs

@@ -821,7 +821,7 @@
                        :filename-format (or (:file/name-format config) :legacy)
                        :verbose (:verbose options)}
      :user-options (select-keys options [:tag-classes :property-classes])
-     :page-tags-uuid (:block/uuid (d/entity @conn :logseq.property/pagetags))
+     :page-tags-uuid (:block/uuid (d/entity @conn :logseq.property/page-tags))
      :import-state (new-import-state)
      :macros (or (:macros options) (:macros config))}
     (merge (select-keys options [:set-ui-state :export-file :notify-user]))))