Choose any allowed status in the table, set the cover on create

- the status cell offers every transition the entry allows, scheduling
  asks for the date right there
- POST /api/v1/posts takes cover_media_id, no second call needed
- the row grid follows its content so long type names stop overlapping

messages/de.json

@@ -409,7 +409,8 @@
 				"close": "Schließen",
 				"delete": "Entwurf löschen",
 				"deleteConfirm": "Wirklich löschen?",
-				"deleting": "Wird gelöscht"
+				"deleting": "Wird gelöscht",
+				"setStatus": "Status ändern"
 			},
 			"blocks": {
 				"text": "Text",
@@ -500,6 +501,12 @@
 				"unlink": "Verweis entfernen",
 				"linkTarget": "Adresse des Verweises",
 				"linkApply": "Übernehmen"
+			},
+			"move": {
+				"draft": "Zu Entwurf machen",
+				"scheduled": "Termin setzen",
+				"published": "Jetzt veröffentlichen",
+				"archived": "Zurückziehen"
 			}
 		},
 		"brands": {

messages/en.json

@@ -409,7 +409,8 @@
 				"close": "Close",
 				"delete": "Delete draft",
 				"deleteConfirm": "Really delete?",
-				"deleting": "Deleting"
+				"deleting": "Deleting",
+				"setStatus": "Change status"
 			},
 			"blocks": {
 				"text": "Text",
@@ -500,6 +501,12 @@
 				"unlink": "Remove link",
 				"linkTarget": "Link address",
 				"linkApply": "Apply"
+			},
+			"move": {
+				"draft": "Move to draft",
+				"scheduled": "Schedule",
+				"published": "Publish now",
+				"archived": "Withdraw"
 			}
 		},
 		"brands": {