feat(cms): add network page video upload

src/scripts/preload-netzwerk-page-cms.ts

@@ -136,6 +136,7 @@ async function main() {
   const { imageFilename: _heroFilename, ...heroContent } = netzwerkContent.hero
   const { imageFilename: _sponsoringFilename, ...sponsoringContent } = netzwerkContent.sponsoring
   const { items: _partnerItems, ...partnerSectionContent } = netzwerkContent.partners
+  const existingGreetingVideo = page.netzwerk?.patronage?.greetingVideo || null
   const [patronPeople, juryMembers] = await Promise.all([
     itemsWithImageUploads(payload, netzwerkContent.patronage.people),
     juryMembersForPage(payload),
@@ -155,6 +156,7 @@ async function main() {
         },
         patronage: {
           ...netzwerkContent.patronage,
+          greetingVideo: existingGreetingVideo,
           people: patronPeople,
         },
         jury: {