Small workaround to enable using the DAS light client again

See code comment of why this makes sense

consensus/state.go

@@ -1123,7 +1123,16 @@ func (cs *State) defaultDecideProposal(height int64, round int32) {
 
 	// cancel ctx for previous proposal block to ensure block putting/providing does not queues up
 	if cs.proposalCancel != nil {
-		cs.proposalCancel()
+		// FIXME(ismail): below commented out cancel tries to prevent block putting
+		// and providing no to queue up endlessly.
+		// But in a real network proposals should have enough time in between and if not queuing up to a
+		// problematic extent will take a lot of time:
+		// Even on the Cosmos Hub the largest validator only proposes every 15 blocks.
+		// With an average block time of roughly 7.5 seconds this means almost
+		// two minutes between two proposals by the strongest validator.
+		// In our case block interval times will likely be larger.
+		//
+		// cs.proposalCancel()
 	}
 	cs.proposalCtx, cs.proposalCancel = context.WithCancel(context.TODO())
 	go func(ctx context.Context) {