Add text indicating removing project affects operation dashboard

ee/app/assets/javascripts/environments_dashboard/components/dashboard/dashboard.vue

@@ -163,7 +163,7 @@ export default {
       <gl-sprintf
         :message="
           s__(
-            'EnvironmentsDashboard|This dashboard displays a maximum of 7 projects and 3 environments per project. %{readMoreLink}',
+            'EnvironmentsDashboard|This dashboard displays a maximum of 7 projects and 3 environments per project, and is linked to the Operations Dashboard. When you add or remove a project from one dashboard, GitLab adds or removes the project from the other. %{readMoreLink}',
           )
         "
       >

ee/changelogs/unreleased/12870-environments-dashboard-indicate-to-users-that-removing-adding-a-.yml

+---
+title: Update environment dashboard help text
+merge_request: 39450
+author:
+type: fixed

ee/spec/frontend/environments_dashboard/components/__snapshots__/dashboard_spec.js.snap

@@ -50,7 +50,7 @@ exports[`dashboard should match the snapshot 1`] = `
   <p
     class="mt-2 mb-4 js-page-limits-message"
   >
-    This dashboard displays a maximum of 7 projects and 3 environments per project. 
+    This dashboard displays a maximum of 7 projects and 3 environments per project, and is linked to the Operations Dashboard. When you add or remove a project from one dashboard, GitLab adds or removes the project from the other. 
     <gl-link-stub
       href="/help/user/operations_dashboard/index.html"
       rel="noopener noreferrer"

ee/spec/frontend/environments_dashboard/components/dashboard_spec.js

@@ -76,7 +76,7 @@ describe('dashboard', () => {
 
     it('renders the message', () => {
       expect(trimText(message.text())).toBe(
-        'This dashboard displays a maximum of 7 projects and 3 environments per project. More information',
+        'This dashboard displays a maximum of 7 projects and 3 environments per project, and is linked to the Operations Dashboard. When you add or remove a project from one dashboard, GitLab adds or removes the project from the other. More information',
       );
     });
 

locale/gitlab.pot

@@ -9440,7 +9440,7 @@ msgstr ""
 msgid "EnvironmentsDashboard|The environments dashboard provides a summary of each project's environments' status, including pipeline and alert statuses."
 msgstr ""
 
-msgid "EnvironmentsDashboard|This dashboard displays a maximum of 7 projects and 3 environments per project. %{readMoreLink}"
+msgid "EnvironmentsDashboard|This dashboard displays a maximum of 7 projects and 3 environments per project, and is linked to the Operations Dashboard. When you add or remove a project from one dashboard, GitLab adds or removes the project from the other. %{readMoreLink}"
 msgstr ""
 
 msgid "Environments|An error occurred while canceling the auto stop, please try again"