MDEV-36461, followup: fix opt_trace.test for --view-protocol

Author: spetrunia

mysql-test/main/opt_trace.result

@@ -11069,9 +11069,9 @@ SUBQ	a
 985	1
 985	2
 # The trace must be empty:
-select json_detailed(json_extract(trace, '$**.range-checked-for-each-record'))
+select json_detailed(json_extract(trace, '$**.range-checked-for-each-record')) as TRACE
 from information_schema.optimizer_trace;
-json_detailed(json_extract(trace, '$**.range-checked-for-each-record'))
+TRACE
 NULL
 # The trace must be empty:
 select json_detailed(json_extract(trace, '$**.join_execution'))

mysql-test/main/opt_trace.test

@@ -1242,7 +1242,7 @@ select
 from t3;
 
 --echo # The trace must be empty:
-select json_detailed(json_extract(trace, '$**.range-checked-for-each-record'))
+select json_detailed(json_extract(trace, '$**.range-checked-for-each-record')) as TRACE
     from information_schema.optimizer_trace;
 --echo # The trace must be empty:
 select json_detailed(json_extract(trace, '$**.join_execution'))