OCT-2011 Analytics: implement in Octant.app (enable production) (#495)

## Description

## Definition of Done

1. [ ] If required, the desciption of your change is added to the [QA
changelog](https://www.notion.so/octantapp/Changelog-for-the-QA-d96fa3b411cf488bb1d8d9a598d88281)
2. [ ] Acceptance criteria are met.
3. [ ] PR is manually tested before the merge by developer(s).
    - [ ] Happy path is manually checked.
4. [ ] PR is manually tested by QA when their assistance is required
(1).
- [ ] Octant Areas & Test Cases are checked for impact and updated if
required (2).
5. [ ] Unit tests are added unless there is a reason to omit them.
6. [ ] Automated tests are added when required.
7. [ ] The code is merged.
8. [ ] Tech documentation is added / updated, reviewed and approved
(including mandatory approval by a code owner, should such exist for
changed files).
    - [ ] BE: Swagger documentation is updated.
9. [ ] When required by QA:
    - [ ] Deployed to the relevant environment.
    - [ ] Passed system tests.

---

(1) Developer(s) in coordination with QA decide whether it's required.
For small tickets introducing small changes QA assistance is most
probably not required.

(2) [Octant Areas & Test
Cases](https://docs.google.com/spreadsheets/d/1cRe6dxuKJV3a4ZskAwWEPvrFkQm6rEfyUCYwLTYw_Cc).

client/index.html

@@ -79,12 +79,10 @@
     <meta property="og:type" content="website" />
      <!-- Matomo -->
      <script>
-      // TODO: CHANGE 'https://uat-client.octant.wildland.dev' TO 'https://octant.app' AFTER TESTS!!!
-      if(window.location.origin === 'https://uat-client.octant.wildland.dev') {
+      if(window.location.origin === 'https://octant.app') {
         var _paq = window._paq = window._paq || [];
         /* tracker methods like "setCustomDimension" should be called before "trackPageView" */
         _paq.push(["setDocumentTitle", document.domain + "/" + document.title]);
-        _paq.push(["disableCampaignParameters"]);
         _paq.push(["setDoNotTrack", true]);
         _paq.push(["disableCookies"]);
         _paq.push(['trackPageView']);