fix back button on item pages after login (#16218)

app/src/modules/content/routes/item.vue

@@ -42,7 +42,7 @@
 				icon
 				secondary
 				exact
-				@click="router.back()"
+				@click="navigateBack"
 			>
 				<v-icon name="arrow_back" />
 			</v-button>
@@ -365,6 +365,16 @@ const disabledOptions = computed(() => {
 	return [];
 });
 
+function navigateBack() {
+	const backState = router.options.history.state.back;
+	if (typeof backState !== 'string' || !backState.startsWith('/login')) {
+		router.back();
+		return;
+	}
+
+	router.push(`/content/${props.collection}`);
+}
+
 function useBreadcrumb() {
 	const breadcrumb = computed(() => [
 		{

app/src/modules/files/routes/item.vue

@@ -2,7 +2,7 @@
 	<files-not-found v-if="!loading && !item" />
 	<private-view v-else :title="loading || !item ? t('loading') : item.title">
 		<template #title-outer:prepend>
-			<v-button class="header-icon" rounded icon secondary exact @click="router.back()">
+			<v-button class="header-icon" rounded icon secondary exact @click="navigateBack">
 				<v-icon name="arrow_back" />
 			</v-button>
 		</template>
@@ -288,6 +288,20 @@ const fieldsFiltered = computed(() => {
 	return fields.value.filter((field: Field) => fieldsDenyList.includes(field.field) === false);
 });
 
+function navigateBack() {
+	const backState = router.options.history.state.back;
+	if (typeof backState !== 'string' || !backState.startsWith('/login')) {
+		router.back();
+		return;
+	}
+
+	if (item?.value?.folder) {
+		router.push(`/files/folders/${item.value.folder}`);
+	} else {
+		router.push('/files');
+	}
+}
+
 function useBreadcrumb() {
 	const breadcrumb = computed(() => {
 		if (!item?.value?.folder) {

app/src/modules/users/routes/item.vue

@@ -1,7 +1,7 @@
 <template>
 	<private-view :title="title">
 		<template #title-outer:prepend>
-			<v-button class="header-icon" rounded icon secondary exact @click="router.back()">
+			<v-button class="header-icon" rounded icon secondary exact @click="navigateBack">
 				<v-icon name="arrow_back" />
 			</v-button>
 		</template>
@@ -328,6 +328,7 @@ export default defineComponent({
 			item,
 			loading,
 			isNew,
+			navigateBack,
 			breadcrumb,
 			edits,
 			hasEdits,
@@ -369,6 +370,16 @@ export default defineComponent({
 			isSavable,
 		};
 
+		function navigateBack() {
+			const backState = router.options.history.state.back;
+			if (typeof backState !== 'string' || !backState.startsWith('/login')) {
+				router.back();
+				return;
+			}
+
+			router.push('/users');
+		}
+
 		function useBreadcrumb() {
 			const breadcrumb = computed(() => [
 				{