Repository: UKGovernmentBEIS/inspect_ai
Issue: error messages in `inspect view` are unscrollable
Root cause: Validation Gap

![image](https://github.com/user-attachments/assets/5535d564-72cc-4590-8b2c-eb9c6ca4ef9a)
<details><summary>full error</summary>

```

An unexpected error occurred.
Error: content is undefined

at MessageContent/<@http://localhost:7575/assets/index.js:12092:26
MessageContent@http://localhost:7575/assets/index.js:12085:21
q$1@http://localhost:7575/assets/index.js:260:15
O@http://localhost:7575/assets/index.js:182:45
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
z$1@http://localhost:7575/assets/index.js:231:41
O@http://localhost:7575/assets/index.js:192:88
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
S@http://localhost:7575/assets/index.js:94:214
O@http://localhost:7575/assets/index.js:184:195
P@http://localhost:7575/assets/index.js:89:209

```
</details>