Change license history wording

Prepare license history table to show all licenses instead of past
licenses only.

ee/app/views/admin/licenses/show.html.haml

@@ -87,9 +87,9 @@
             - @license.licensee.keys.each do |label|
               %th= label
             %th Plan
-            %th Uploaded at
-            %th Started at
-            %th Expired at
+            %th Uploaded on
+            %th Valid from
+            %th Expires on
             %th Active users
         %tbody
           - @previous_licenses.each do |license|
@@ -111,6 +111,6 @@
               %td
                 %span
                   - if license.restricted?(:active_user_count)
-                    #{license.restrictions[:active_user_count]} users
+                    = license.restrictions[:active_user_count]
                   - else
                     Unlimited

ee/changelogs/unreleased/change_license_history_wording.yml

+---
+title: Change license history wording
+merge_request: 30148
+author:
+type: other