Disable exporting/importing of templates. Optimize pitch images a bit (#83098) (#83820)

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Co-authored-by: Kibana Machine <42973632+kibanamachine@users.noreply.github.com>

Author: Corey Robertson

x-pack/plugins/canvas/server/saved_objects/workpad_template.ts

@@ -45,7 +45,7 @@ export const workpadTemplateType: SavedObjectsType = {
   },
   migrations: {},
   management: {
-    importableAndExportable: true,
+    importableAndExportable: false,
     icon: 'canvasApp',
     defaultSearchField: 'name',
     getTitle(obj) {