trying to add git extension as dependency

however when I add it as such to package.json, I get an error in the browser
that the frontend app can't start due to an inversify issue: "cannot apply
@Injectable decorator multiple times"

yangster-app/package.json

@@ -7,6 +7,7 @@
         "@theia/core": "latest",
         "@theia/editor": "latest",
         "@theia/filesystem": "latest",
+        "@theia/git": "latest",
         "@theia/languages": "latest",
         "@theia/markers": "latest",
         "@theia/monaco": "latest",