Replace non-sense placeholder text with actual value (#35544)

<!-- Add the related story/sub-task/bug number, like Resolves #123, or
remove if NA -->
**Related issue:** Resolves #35541

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

- [x] Changes file added for user-visible changes in `changes/`,
`orbit/changes/` or `ee/fleetd-chrome/changes`.
See [Changes
files](https://github.com/fleetdm/fleet/blob/main/docs/Contributing/guides/committing-changes.md#changes-files)
for more information.

## Testing

- [x] Added/updated automated tests
- [x] QA'd all new/changed functionality manually


<img width="684" height="319" alt="image"
src="https://github.com/user-attachments/assets/b269775e-c026-431e-94cd-dae367d6c928"
/>

changes/35541-nonsense-ui-text

@@ -0,0 +1 @@
+* Fixed non-sense UI placeholder element, by replacing it with it's actual value.

frontend/pages/hosts/details/modals/CertificateDetailsModal/CertificateDetailsModal.tsx

@@ -96,13 +96,7 @@ const CertificateDetailsModal = ({
                 {subjectOrganization && (
                   <DataSet
                     title="Organization"
-                    value={
-                      <TooltipTruncatedText
-                        value={
-                          "This is long text to truncate. does it get truncates? it should get truncated. alsjdf;lajsdl;fj;lajsdjasljjjfljk;j"
-                        }
-                      />
-                    }
+                    value={<TooltipTruncatedText value={subjectOrganization} />}
                     orientation="horizontal"
                   />
                 )}