Fix for #3719. When synthesizing a CREATE TABLE statement as as result of a "CREATE...

Fix for #3719. When synthesizing a CREATE TABLE statement as as result of a "CREATE TABLE AS", quote the column type names unless they are simple identifiers or simple identifiers followed by one or two dimensions (e.g. "VARCHAR(10)"). (CVS 6345)

FossilOrigin-Name: 7c6437efe0a0e935cfa8041bd6b94070c8654fa4