[OSS] UI making a request to the /share route which returns an error.

@NguyenHoangSon96 is already working on this.

Since Oct 7, 2025.

The share button is gone (thank you!) but i notice that the console still shows the ui making a request to the /share route which returns an error.

```
Summary
URL: http://localhost:8087/api/v2private/notebooks/share?orgID=¬ebookID=0f96fd11776e0000
Status: 400 Bad Request
Source: Network
Address: ::1:8087
Initiator:
notebooksRoutes.ts:142

Request
GET /api/v2private/notebooks/share HTTP/1.1
Accept: */*
Accept-Encoding: gzip, deflate
Accept-Language: en-US,en;q=0.9
Connection: keep-alive
Cookie: influxdb-oss-session=3PuaD6s0vqcJIZhzdrmdoVOdflB57HNQW0lAp1EyH26M4XysSUQce-EGEM93GYMe_zUtV-WZAEfyjGYxoZwvvw==
Priority: u=3, i
Referer: http://localhost:8087/orgs/b136db5d2e84f488/notebooks/0f96fd11776e0000
Sec-Fetch-Dest: empty
Sec-Fetch-Mode: cors
Sec-Fetch-Site: same-origin
User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/605.1.15 (KHTML, like Gecko) Version/26.0.1 Safari/605.1.15

Response
HTTP/1.1 400 Bad Request
Content-Length: 60
Content-Type: application/json; charset=utf-8
Date: Fri, 03 Oct 2025 21:34:35 GMT
X-Influxdb-Build: OSS
X-Influxdb-Version: dev
X-Platform-Error-Code: invalid

Query String Parameters
orgID
notebookID: 0f96fd11776e0000
```

`0f96fd11776e0000` is a valid notebook id.

_Originally posted by @philjb in https://github.com/influxdata/ui/issues/7008#issuecomment-3367281468_