Relabel creator button as ICS download

The form button generates the ICS file, so name it after
the result. Move the Nextcloud button ahead of it, matching
the visual weight of the primary actions.

assets/i18n.json

@@ -69,7 +69,7 @@
       "meetingStartLabel": "Start Date & Time",
       "meetingEndLabel": "End Date & Time",
       "meetingOrganizerLabel": "Organizer Email",
-      "createButton": "Create Meeting",
+      "createButton": "Download ICS File",
       "cancelButton": "Cancel",
       "successMessage": "Meeting created! Download your calendar file and open it to import the meeting into your personal calendar.",
       "downloadButton": "Download ICS File",
@@ -180,7 +180,7 @@
       "meetingStartLabel": "Start Datum & Uhrzeit",
       "meetingEndLabel": "Ende Datum & Uhrzeit",
       "meetingOrganizerLabel": "Organisator E-Mail",
-      "createButton": "Meeting erstellen",
+      "createButton": "ICS-Datei herunterladen",
       "cancelButton": "Abbrechen",
       "successMessage": "Meeting erstellt! Laden Sie Ihre Kalenderdatei herunter und öffnen Sie diese, um das Meeting in Ihren persönlichen Kalender zu importieren.",
       "downloadButton": "ICS-Datei herunterladen",
@@ -291,7 +291,7 @@
       "meetingStartLabel": "Date et heure de début",
       "meetingEndLabel": "Date et heure de fin",
       "meetingOrganizerLabel": "Email de l'organisateur",
-      "createButton": "Créer la réunion",
+      "createButton": "Télécharger le fichier ICS",
       "cancelButton": "Annuler",
       "successMessage": "Réunion créée ! Téléchargez votre fichier calendrier et ouvrez-le pour importer la réunion dans votre calendrier personnel.",
       "downloadButton": "Télécharger le fichier ICS",
@@ -402,7 +402,7 @@
       "meetingStartLabel": "开始日期和时间",
       "meetingEndLabel": "结束日期和时间",
       "meetingOrganizerLabel": "组织者邮箱",
-      "createButton": "创建会议",
+      "createButton": "下载 ICS 文件",
       "cancelButton": "取消",
       "successMessage": "会议已创建！请下载您的日历文件并打开它，将会议导入您的个人日历。",
       "downloadButton": "下载 ICS 文件",