Ensure inherent are first (#8173)

* impl

* fix tests

* impl in execute_block

* fix tests

* add a test in frame-executive

* fix some panic warning

* use trait to get call from extrinsic

* remove unused

* fix test

* fix testing

* fix tests

* return index of extrinsic on error

* fix test

* Update primitives/inherents/src/lib.rs

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

* address comments

rename trait, and refactor

* refactor + doc improvment

* fix tests

Co-authored-by: Kian Paimani <5588131+kianenigma@users.noreply.github.com>

substrate/frame/authorship/src/lib.rs

@@ -392,6 +392,10 @@ impl<T: Config> ProvideInherent for Module<T> {
 			},
 		}
 	}
+
+	fn is_inherent(call: &Self::Call) -> bool {
+		matches!(call, Call::set_uncles(_))
+	}
 }
 
 #[cfg(test)]