fix: check mismatch error after recursive

[liuq19]

Fixed #406 .

To support skipped mismatched-type JSON value in decoding as encoding/json. (relative PR #325 )

[liuq19]

performance:

cpu: Intel(R) Xeon(R) Platinum 8260 CPU @ 2.40GHz
                                         │ /tmp/tmp74zg0lnz.source.txt │    /tmp/tmpiswozcyw.target.txt     │
                                         │           sec/op            │   sec/op     vs base               │
UnmarshalConcrete/CanadaGeometry_Sonic-8                   1.039m ± 3%   1.026m ± 3%       ~ (p=0.436 n=10)
UnmarshalConcrete/CitmCatalog_Sonic-8                      5.999m ± 3%   5.904m ± 5%       ~ (p=0.315 n=10)
UnmarshalConcrete/GolangSource_Sonic-8                     15.40m ± 7%   16.42m ± 4%  +6.66% (p=0.001 n=10)
UnmarshalConcrete/StringEscaped_Sonic-8                    88.04µ ± 5%   88.14µ ± 5%       ~ (p=0.684 n=10)
UnmarshalConcrete/StringUnicode_Sonic-8                    10.18µ ± 8%   10.58µ ± 6%       ~ (p=0.271 n=10)
UnmarshalConcrete/SyntheaFhir_Sonic-8                      11.67m ± 5%   11.47m ± 5%       ~ (p=0.481 n=10)
UnmarshalConcrete/TwitterStatus_Sonic-8                    2.411m ± 4%   2.315m ± 5%  -3.98% (p=0.015 n=10)
geomean                                                    1.135m        1.137m       +0.25%

                                         │ /tmp/tmp74zg0lnz.source.txt │     /tmp/tmpiswozcyw.target.txt     │
                                         │             B/s             │     B/s       vs base               │
UnmarshalConcrete/CanadaGeometry_Sonic-8                  248.3Mi ± 3%   251.3Mi ± 2%       ~ (p=0.436 n=10)
UnmarshalConcrete/CitmCatalog_Sonic-8                     274.6Mi ± 3%   279.1Mi ± 4%       ~ (p=0.315 n=10)
UnmarshalConcrete/GolangSource_Sonic-8                    120.2Mi ± 7%   112.7Mi ± 4%  -6.24% (p=0.001 n=10)
UnmarshalConcrete/StringEscaped_Sonic-8                   455.6Mi ± 5%   455.1Mi ± 5%       ~ (p=0.684 n=10)
UnmarshalConcrete/StringUnicode_Sonic-8                   1.657Gi ± 8%   1.595Gi ± 7%       ~ (p=0.280 n=10)
UnmarshalConcrete/SyntheaFhir_Sonic-8                     164.1Mi ± 5%   167.0Mi ± 5%       ~ (p=0.481 n=10)
UnmarshalConcrete/TwitterStatus_Sonic-8                   249.8Mi ± 4%   260.1Mi ± 5%  +4.14% (p=0.015 n=10)
geomean                                                   307.5Mi        306.7Mi       -0.25%