fix(embed): Make sure embed has sane default image and correct link

Part-of: <https://dev.funkwhale.audio/funkwhale/funkwhale/-/merge_requests/2650>

api/config/settings/common.py

@@ -196,9 +196,7 @@ request errors related to this.
 FUNKWHALE_SPA_HTML_CACHE_DURATION = env.int(
     "FUNKWHALE_SPA_HTML_CACHE_DURATION", default=60 * 15
 )
-FUNKWHALE_EMBED_URL = env(
-    "FUNKWHALE_EMBED_URL", default=FUNKWHALE_URL + "/front/embed.html"
-)
+FUNKWHALE_EMBED_URL = env("FUNKWHALE_EMBED_URL", default=FUNKWHALE_URL + "/embed.html")
 FUNKWHALE_SPA_REWRITE_MANIFEST = env.bool(
     "FUNKWHALE_SPA_REWRITE_MANIFEST", default=True
 )

api/funkwhale_api/common/middleware.py

@@ -150,7 +150,9 @@ def get_default_head_tags(path):
         {
             "tag": "meta",
             "property": "og:image",
-            "content": utils.join_url(settings.FUNKWHALE_URL, "/front/favicon.png"),
+            "content": utils.join_url(
+                settings.FUNKWHALE_URL, "/android-chrome-512x512.png"
+            ),
         },
         {
             "tag": "meta",

api/tests/common/test_middleware.py

@@ -108,7 +108,7 @@ def test_get_default_head_tags(preferences, settings):
         {
             "tag": "meta",
             "property": "og:image",
-            "content": settings.FUNKWHALE_URL + "/front/favicon.png",
+            "content": settings.FUNKWHALE_URL + "/android-chrome-512x512.png",
         },
         {"tag": "meta", "property": "og:url", "content": settings.FUNKWHALE_URL + "/"},
     ]

changes/changelog.d/meta-tags-embed-player.fix

@@ -0,0 +1 @@
+Make sure meta tags link to embedded player correctly