Fix castToDate with format error #3309

[ZivYan]

原先用户指定 format 格式的时候未使用导致的问题

[ZivYan]

#3309

[codecov-commenter]

Codecov Report

Merging #3311 into master will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##             master    #3311   +/-   ##
=========================================
  Coverage     80.48%   80.48%           
- Complexity     7425     7426    +1     
=========================================
  Files           157      157           
  Lines         27793    27793           
  Branches       6685     6685           
=========================================
+ Hits          22369    22370    +1     
+ Misses         3418     3417    -1     
  Partials       2006     2006           

Impacted Files	Coverage Δ	Complexity Δ
...main/java/com/alibaba/fastjson/util/TypeUtils.java	79.95% <100.00%> (ø)	647.00 <0.00> (+1.00)
...main/java/com/alibaba/fastjson/util/FieldInfo.java	86.44% <0.00%> (ø)	93.00% <0.00%> (-1.00%)
...ava/com/alibaba/fastjson/parser/JSONLexerBase.java	70.00% <0.00%> (+0.03%)	813.00% <0.00%> (+1.00%)

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