CQL3: fromJson accepts string as bool

The problem was incompatibility with cassandra, which accepts bool
as a string in `fromJson()` UDF. The difference between Cassandra and
Scylla now is Scylla accepts whitespaces around word in string,
Cassandra don't. Both are case insensitive.

Fixes: #7915
(cherry picked from commit 1902dbc9ff)

cql3/type_json.cc

@@ -31,6 +31,8 @@
 #include "types/listlike_partial_deserializing_iterator.hh"
 #include "utils/managed_bytes.hh"
 #include "exceptions/exceptions.hh"
+#include <boost/algorithm/string/trim_all.hpp>
+#include <boost/algorithm/string.hpp>
 
 static inline bool is_control_char(char c) {
     return c >= 0 && c <= 0x1F;
@@ -212,6 +214,17 @@ struct from_json_object_visitor {
     }
     bytes operator()(const boolean_type_impl& t) {
         if (!value.IsBool()) {
+            if (value.IsString()) {
+                std::string str(rjson::to_string_view(value));
+                boost::trim_all(str);
+                boost::to_lower(str);
+
+                if (str == "true") {
+                    return t.decompose(true);
+                } else if (str == "false") {
+                    return t.decompose(false);
+                }
+            }
             throw marshal_exception(format("Invalid JSON object {}", value));
         }
         return t.decompose(value.GetBool());