Allow import withouth state verification (#4031)

* Allow import without state verification

* Explicit None

Co-Authored-By: Robert Habermeier <rphmeier@gmail.com>

substrate/core/finality-grandpa/src/tests.rs

@@ -974,6 +974,7 @@ fn allows_reimporting_change_blocks() {
 			finalized: false,
 			auxiliary: Vec::new(),
 			fork_choice: ForkChoiceStrategy::LongestChain,
+			allow_missing_state: false,
 		}
 	};
 
@@ -985,6 +986,7 @@ fn allows_reimporting_change_blocks() {
 			bad_justification: false,
 			needs_finality_proof: false,
 			is_new_best: true,
+			header_only: false,
 		}),
 	);
 
@@ -1025,6 +1027,7 @@ fn test_bad_justification() {
 			finalized: false,
 			auxiliary: Vec::new(),
 			fork_choice: ForkChoiceStrategy::LongestChain,
+			allow_missing_state: false,
 		}
 	};
 
@@ -1721,6 +1724,7 @@ fn imports_justification_for_regular_blocks_on_import() {
 		finalized: false,
 		auxiliary: Vec::new(),
 		fork_choice: ForkChoiceStrategy::LongestChain,
+		allow_missing_state: false,
 	};
 
 	assert_eq!(