Security sync (#20430)

app/api/server/v1/invites.js

app/invites/server/functions/validateInviteToken.js

app/lib/server/methods/getFullUserData.js

app/lib/server/methods/getServerInfo.js

app/livechat/server/methods/loadHistory.js

app/livechat/server/methods/saveOfficeHours.js

app/markdown/lib/parser/marked/marked.js

app/markdown/lib/parser/original/markdown.js

app/markdown/tests/client.tests.js

app/message-mark-as-unread/server/unreadMessages.js

app/message-pin/client/pinMessage.js

app/message-pin/server/pinMessage.js

app/theme/client/imports/general/base_old.css

client/components/MarkdownText.js

package-lock.json

package.json