[FIXED] Account resolver lock inversion

There was a lock inversion but low risk since it happened during
server initialization. Still fixed it and added the ordering
in locksordering.txt file.

Also fixed multiple lock inversions that were caused by tests.

Signed-off-by: Ivan Kozlovic <ivan@synadia.com>

server/jetstream_cluster_2_test.go

@@ -2734,25 +2734,6 @@ func TestJetStreamClusterFlowControlRequiresHeartbeats(t *testing.T) {
 	}
 }
 
-var jsClusterAccountLimitsTempl = `
-	listen: 127.0.0.1:-1
-	server_name: %s
-	jetstream: {max_mem_store: 256MB, max_file_store: 2GB, store_dir: '%s'}
-
-	cluster {
-		name: %s
-		listen: 127.0.0.1:%d
-		routes = [%s]
-	}
-
-	no_auth_user: js
-
-	accounts {
-		$JS { users = [ { user: "js", pass: "p" } ]; jetstream: {max_store: 1MB, max_mem: 0} }
-		$SYS { users = [ { user: "admin", pass: "s3cr3t!" } ] }
-	}
-`
-
 func TestJetStreamClusterMixedModeColdStartPrune(t *testing.T) {
 	// Purposely make this unbalanced. Without changes this will never form a quorum to elect the meta-leader.
 	c := createMixedModeCluster(t, jsMixedModeGlobalAccountTempl, "MMCS5", _EMPTY_, 3, 4, false)
@@ -5552,10 +5533,8 @@ func TestJetStreamClusterConsumerOverrides(t *testing.T) {
 	o := mset.lookupConsumer("m")
 	require_True(t, o != nil)
 
-	o.mu.RLock()
 	st := o.store.Type()
 	n := o.raftNode()
-	o.mu.RUnlock()
 	require_True(t, n != nil)
 	rn := n.(*raft)
 	rn.RLock()