[stable2409] Backport #7050 (#7059)

Backport #7050 into `stable2409` from skunert.

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Co-authored-by: Sebastian Kunert <skunert49@gmail.com>

cumulus/client/consensus/aura/src/equivocation_import_queue.rs

@@ -97,6 +97,7 @@ where
 		// This is done for example when gap syncing and it is expected that the block after the gap
 		// was checked/chosen properly, e.g. by warp syncing to this block using a finality proof.
 		if block_params.state_action.skip_execution_checks() || block_params.with_state() {
+			block_params.fork_choice = Some(ForkChoiceStrategy::Custom(block_params.with_state()));
 			return Ok(block_params)
 		}
 

prdoc/pr_7050.prdoc

+title: Avoid incomplete block import pipeline with full verifying import queue
+doc:
+- audience: Node Dev
+  description: |-
+    When warp syncing a node using the equivocation checking verifier, we now properly set the fork_choice rule.
+    Affected are mostly nodes that are derived from the parachain template. Omni-node is not affected.
+
+    The prevents the error `ClientImport("Incomplete block import pipeline.")` after state sync.
+crates:
+- name: cumulus-client-consensus-aura
+  bump: patch