Fix M2M not rendering displays correctly

Fixes #406

app/src/interfaces/many-to-many/many-to-many.vue

@@ -22,7 +22,7 @@
 					:interface="header.field.interface"
 					:interface-options="header.field.interfaceOptions"
 					:type="header.field.type"
-					:collection="relatedCollection"
+					:collection="junctionCollection"
 					:field="header.field.field"
 				/>
 			</template>

app/src/utils/get-related-collection/get-related-collection.ts

@@ -7,6 +7,7 @@ export default function getRelatedCollection(collection: string, field: string)
 	const relations = relationsStore.getRelationsForField(collection, field);
 
 	const fieldInfo = fieldsStore.getField(collection, field);
+
 	const type = fieldInfo.type.toLowerCase();
 
 	// o2m | m2m