chore: Go back to pub.dev matrix sdk

pubspec.lock

@@ -1209,12 +1209,11 @@ packages:
   matrix:
     dependency: "direct main"
     description:
-      path: "."
-      ref: "krille/create-missing-object-box"
-      resolved-ref: f3e631b2eb477097c8fbfa188f81e6b80ee1dc58
-      url: "https://github.com/famedly/matrix-dart-sdk.git"
-    source: git
-    version: "0.29.2"
+      name: matrix
+      sha256: "8aa55b91cc436082a80d478810197867e95316141f339cfbaf61b6ea722d6bed"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.29.4"
   meta:
     dependency: transitive
     description:

pubspec.yaml

@@ -64,10 +64,7 @@ dependencies:
   keyboard_shortcuts: ^0.1.4
   latlong2: ^0.9.1
   linkify: ^5.0.0
-  matrix:
-    git:
-      url: https://github.com/famedly/matrix-dart-sdk.git
-      ref: krille/create-missing-object-box
+  matrix: ^0.29.4
   native_imaging: ^0.1.1
   package_info_plus: ^6.0.0
   pasteboard: ^0.2.0