epiphany: Various Pantheon fixes (#407922)

pkgs/by-name/ep/epiphany/package.nix

···
   ninja,
   gettext,
   fetchurl,
+  fetchpatch,
   pkg-config,
   gtk4,
   glib,
···
     url = "mirror://gnome/sources/epiphany/${lib.versions.major finalAttrs.version}/epiphany-${finalAttrs.version}.tar.xz";
     hash = "sha256-2ilT5+K3O/dHPAozl5EE15NieVKV6qCio46hiFN9rxM=";
   };
+
+  patches = [
+    # shell: Fix startup crash on Pantheon
+    # https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1818
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/GNOME/epiphany/-/commit/da4437beb7f1fbc9c2fa3d4629b8c826d484835e.patch";
+      hash = "sha256-meufd5gnhLcK0dgIXEMDnid9e1R2M1D3jZ9Yoh6YobM=";
+    })
+
+    # action-bar-end: Fix startup crash on Pantheon
+    # https://gitlab.gnome.org/GNOME/epiphany/-/merge_requests/1819
+    (fetchpatch {
+      url = "https://gitlab.gnome.org/GNOME/epiphany/-/commit/d69866854b315123c8832fae58c6de008da20ea0.patch";
+      hash = "sha256-GnZQC4rtBYRr+x9mF8pCFDcDOjEJj+27ECdXBNL42kQ=";
+    })
+  ];
 
   nativeBuildInputs = [
     desktop-file-utils

pkgs/desktops/pantheon/artwork/elementary-gtk-theme/default.nix

···
 
 stdenvNoCC.mkDerivation rec {
   pname = "elementary-gtk-theme";
-  version = "8.2.0";
+  version = "8.2.1";
 
   src = fetchFromGitHub {
     owner = "elementary";
     repo = "stylesheet";
     rev = version;
-    sha256 = "sha256-l7E5o7JNqfJZzKpyvsjIVd2i9fwLh4Qn8oJ/S5RlFQ8=";
+    sha256 = "sha256-ymgSe4LKtbJVwmZJOwer1Geb/VgYltp+tSNHkWtaMlg=";
   };
 
   nativeBuildInputs = [