Fix content module warnings (#21839)

* Don't inherit attrs

* Mark optional as default is set

app/src/components/use-datetime.vue

@@ -16,6 +16,8 @@ export interface Props {
 	suffix?: boolean;
 }
 
+defineOptions({ inheritAttrs: false });
+
 const props = withDefaults(defineProps<Props>(), {
 	format: 'long',
 	relative: false,

app/src/views/private/components/search-input.vue

@@ -8,7 +8,7 @@ import { useI18n } from 'vue-i18n';
 const props = withDefaults(
 	defineProps<{
 		modelValue: string | null;
-		showFilter: boolean;
+		showFilter?: boolean;
 		collection?: string;
 		filter?: Filter | null;
 	}>(),