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/RmCachedLevel.kt

@@ -17,5 +17,6 @@ internal fun rmCachedLevel(): Level = level(
     validator = repoPredicate { repo -> repo.files.any { it.name == "deleteme.rb" && !it.staged && !it.tracked && !it.deleted } },
     testCases = listOf(
         levelTestCase("rm cached", "git rm --cached deleteme.rb"),
+        levelTestCase("reset staged path", "git reset deleteme.rb"),
     ),
 )