Reset sql type and column size for input params that were bound as nulls

[yitam]

Related to #1329

[codecov]

Codecov Report

Merging #1333 (0a92180) into dev (14aa449) will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##              dev    #1333      +/-   ##
==========================================
+ Coverage   83.43%   83.45%   +0.02%     
==========================================
  Files          22       22              
  Lines        7829     7839      +10     
==========================================
+ Hits         6532     6542      +10     
  Misses       1297     1297              

Impacted Files	Coverage Δ
...phpdev/vs16/x86/php-8.0.13-src/ext/sqlsrv/stmt.cpp	87.10% <0.00%> (ø)
...x86/php-8.0.13-src/ext/sqlsrv/shared/core_stmt.cpp	85.72% <0.00%> (+0.05%)	⬆️
...php-8.0.13-src/ext/pdo_sqlsrv/shared/core_stmt.cpp	82.66% <0.00%> (+0.06%)	⬆️