Merge pull request #54668 from nextcloud/backport/54538/stable31

[stable31] Do not always check password checkbox when sharing without password

Author: susnux

apps/files_sharing/src/mixins/SharesMixin.js

@@ -165,7 +165,7 @@ export default {
 		isPasswordProtected: {
 			get() {
 				return this.config.enforcePasswordForPublicLink
-						|| this.share.password !== ''
+						|| this.share.password !== undefined
 						|| this.share.newPassword !== undefined
 			},
 			async set(enabled) {