refactor(designable-antd): expose upload component's textContent property in setting form

[nekic]

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What have you changed?

expose upload component's textContent property in setting form

[codecov]

Codecov Report

Merging #1818 (8851a28) into formily_next (b421ae6) will not change coverage.
The diff coverage is n/a.

@@              Coverage Diff              @@
##           formily_next    #1818   +/-   ##
=============================================
  Coverage         92.57%   92.57%           
=============================================
  Files               135      135           
  Lines              6035     6035           
  Branches           1494     1494           
=============================================
  Hits               5587     5587           
  Misses              444      444           
  Partials              4        4           

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