{chromium,firefox}: force install (& pin in Chromium) Snowflake too

etc/firefox/policies/policies.json

@@ -52,7 +52,7 @@
       },
       "{6a65273e-2b26-40f5-b66e-8eed317307da}": {
         "install_url": "https://addons.mozilla.org/firefox/downloads/latest/new-tab-suspender/latest.xpi",
-        "installation_mode": "normal_installed"
+        "installation_mode": "force_installed"
       },
       "{73a6fe31-595d-460b-a920-fcc0f8843232}": {
         "install_url": "https://addons.mozilla.org/firefox/downloads/latest/noscript/latest.xpi",
@@ -60,7 +60,7 @@
       },
       "{b11bea1f-a888-4332-8d8a-cec2be7d24b9}": {
         "install_url": "https://addons.mozilla.org/firefox/downloads/latest/torproject-snowflake/latest.xpi",
-        "installation_mode": "normal_installed"
+        "installation_mode": "force_installed"
       },
       "{cb31ec5d-c49a-4e5a-b240-16c767444f62}": {
         "install_url": "https://addons.mozilla.org/firefox/downloads/latest/indie-wiki-buddy/latest.xpi",

etc/opt/chromium/policies/managed/aminda-extensions.json

@@ -52,9 +52,9 @@
       "update_url": "https://clients2.google.com/service/update2/crx"
     },
     "mafpmfcccpbjnhfhjnllmmalhifmlcie": {
-      "installation_mode": "normal_installed",
+      "installation_mode": "force_installed",
       "override_update_url": true,
-      "toolbar_pin": "default_unpinned",
+      "toolbar_pin": "force_pinned",
       "update_url": "https://clients2.google.com/service/update2/crx"
     },
     "nngceckbapebfimnlniiiahkandclblb": {