## Description
**Steps to reproduce:**
# Go to https://wikifunctions.beta.wmflabs.org/wiki/Z10112?view=default-view&action=edit
# Expand the first item under the "Labels" multilingual string
{F36935567}
* The dropdown should be active, because we should be able to change from literal to reference or to function call (mode)
* However, the expand toggle should not be active, because we should not be able to change the type, only the mode:
{F36935572
* I can change the type of an item (which I shouldn't), resulting on a non-wellformed ZObject:
{F36935584}
**Expected behavior (Acceptance criteria):**
* [ ] If an item in a typed list has its type bound (e.g. [ "Z11", item, item, item ] all items should be of type "Z11"), I should be able to change their mode but not their type
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**Devices and Design (URLs or screenshots, if applicable):**
* Desktop: ...
* Small screens/mobile: ...
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## Completion checklist
* [ ] Before closing this task, review one by one the checklist available here: https://www.mediawiki.org/wiki/Abstract_Wikipedia_team/Definition_of_Done#Front-end_Task/Bug_Completion_Checklist