[8.x] [Fleet] Update copy for readonly edit integration (#193163) (#1…

…93194)

# Backport

This will backport the following commits from `main` to `8.x`:
- [[Fleet] Update copy for readonly edit integration
(#193163)](#193163)

<!--- Backport version: 9.4.3 -->

### Questions ?
Please refer to the [Backport tool
documentation](https://github.com/sqren/backport)

<!--BACKPORT [{"author":{"name":"Nicolas
Chaulet","email":"[email protected]"},"sourceCommit":{"committedDate":"2024-09-17T15:59:04Z","message":"[Fleet]
Update copy for readonly edit integration
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Update copy for readonly edit
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Update copy for readonly edit integration
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Update copy for readonly edit integration
(#193163)","sha":"c7f3a40880b18dfc04e5a06d0090953d22341183"}},{"branch":"8.x","label":"v8.16.0","branchLabelMappingKey":"^v8.16.0$","isSourceBranch":false,"state":"NOT_CREATED"}]}]
BACKPORT-->

Co-authored-by: Nicolas Chaulet <[email protected]>

x-pack/plugins/fleet/public/applications/fleet/sections/agent_policy/edit_package_policy_page/index.tsx

@@ -594,7 +594,7 @@ export const EditPackagePolicyForm = memo<{
                                 content: (
                                   <FormattedMessage
                                     id="xpack.fleet.agentPolicy.saveIntegrationTooltip"
-                                    defaultMessage="To save the integration policy, you must have security enabled and have the All privilege for Integrations. Contact your administrator."
+                                    defaultMessage="To save the integration policy, you must have security enabled and have the All privilege for Integrations and Agent Policies. Contact your administrator."
                                   />
                                 ),
                               }