code-gen: fix deletedAt check with Date in the future

[dirkdev98]

Closes #482

[github-actions]

==== C8 test coverage ====
Statements: 70.15% ( 18291/26075 )
Branches : 71.91% ( 2166 /3012 )
Functions : 70.37% ( 677 /962 )
Lines : 70.15% ( 18291 /26075 )

[github-actions]

==== Benchmark result ====

Node.js version: 14

Total benchmarks: 13
          Passed: 13
          Failed: 0
-----------
lbu validator simple                    5000000  iterations      471  ns/op
yup validator simple                      20000  iterations    64147  ns/op
fastest-validator validator simple     10000000  iterations      142  ns/op
lbu validator nested                      50000  iterations    48138  ns/op
yup validator nested                       5000  iterations   436448  ns/op
fastest-validator validator nested      2000000  iterations      967  ns/op
logger - strings                         500000  iterations     2594  ns/op
logger - objects                         500000  iterations     2861  ns/op
logger - deep objects                    500000  iterations     4500  ns/op
uuid                                    2000000  iterations      579  ns/op
uuid.isValid                           10000000  iterations      174  ns/op
isNil                                 500000000  iterations        0  ns/op
isPlainObject                          50000000  iterations       20  ns/op

[github-actions]

==== Benchmark result ====

Node.js version: 15

Total benchmarks: 13
          Passed: 13
          Failed: 0
-----------
lbu validator simple                    5000000  iterations      467  ns/op
yup validator simple                      20000  iterations    61658  ns/op
fastest-validator validator simple     10000000  iterations      139  ns/op
lbu validator nested                      50000  iterations    48700  ns/op
yup validator nested                       5000  iterations   422648  ns/op
fastest-validator validator nested      2000000  iterations      862  ns/op
logger - strings                         500000  iterations     2338  ns/op
logger - objects                         500000  iterations     2995  ns/op
logger - deep objects                    200000  iterations     5144  ns/op
uuid                                    2000000  iterations      602  ns/op
uuid.isValid                           10000000  iterations      166  ns/op
isNil                                 500000000  iterations        0  ns/op
isPlainObject                         100000000  iterations       19  ns/op