studvw prestudent ZGV date fields and konto date fields use iso date as model-type

public/js/components/Stv/Studentenverwaltung/Details/Konto.js

@@ -27,7 +27,7 @@ export default {
 		return {
 			filter: false,
 			studiengang_kz: false,
-			counterdate: new Date()
+			counterdate: luxon.DateTime.now().setZone(FHC_JS_DATA_STORAGE_OBJECT.timezone).toISODate()
 		};
 	},
 	computed: {
@@ -259,6 +259,7 @@ export default {
 					<form-input
 						type="DatePicker"
 						v-model="counterdate"
+						model-type="yyyy-MM-dd"
 						input-group
 						:enable-time-picker="false"
 						text-input

public/js/components/Stv/Studentenverwaltung/Details/Konto/Edit.js

@@ -79,6 +79,7 @@ export default {
 				<form-input
 					type="DatePicker"
 					v-model="data.buchungsdatum"
+					model-type="yyyy-MM-dd"
 					name="buchungsdatum"
 					:label="$p.t('konto/buchungsdatum')"
 					:enable-time-picker="false"

public/js/components/Stv/Studentenverwaltung/Details/Konto/New.js

@@ -154,6 +154,7 @@ export default {
 				<form-input
 					type="DatePicker"
 					v-model="data.buchungsdatum"
+					model-type="yyyy-MM-dd"
 					name="buchungsdatum"
 					:label="$p.t('konto/buchungsdatum')"
 					:enable-time-picker="false"

public/js/components/Stv/Studentenverwaltung/Details/Prestudent.js

@@ -325,6 +325,7 @@ export default {
 						:label="$p.t('infocenter', 'zgvDatum')"
 						type="DatePicker"
 						v-model="data.zgvdatum"
+						model-type="yyyy-MM-dd"
 						name="zgvdatum"
 						no-today
 						auto-apply
@@ -389,6 +390,7 @@ export default {
 						:label="$p.t('lehre', 'zgvMasterDatum')"
 						type="DatePicker"
 						v-model="data.zgvmadatum"
+						model-type="yyyy-MM-dd"
 						name="zgvmadatum"
 						no-today
 						auto-apply
@@ -454,6 +456,7 @@ export default {
 						:label="$p.t('lehre', 'zgvDoktorDatum')"
 						type="DatePicker"
 						v-model="data.zgvdoktordatum"
+						model-type="yyyy-MM-dd"
 						name="zgvdoktordatum"
 						no-today
 						auto-apply