Fix Git editor reword workflow and UI coverage

- show Git editor file paths instead of the submitted git command
- surface follow-up commit message editors during interactive rebase reword
- add rename-commit UI tests for editor and amend-message solution paths
- add broader embedded level solution scenarios for alternate Git workflows

app/src/main/java/solutions/tretter/githugandroid/levels/RemoteAddLevel.kt

@@ -17,5 +17,6 @@ internal fun remoteAddLevel(): Level = level(
     validator = repoPredicate { repo -> repo.remotes["origin"] == "https://github.com/githug/githug" },
     testCases = listOf(
         levelTestCase("add origin remote", "git remote add origin https://github.com/githug/githug"),
+        levelTestCase("add origin remote with tracked branch option", "git remote add -t master origin https://github.com/githug/githug"),
     ),
 )