fix(schema-compiler): Fix incorrect bulk transpilation if there are no JS files

[KSDaemon]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 11 lines in your changes missing coverage. Please review.

Project coverage is 47.85%. Comparing base (4d1b17a) to head (654ce17).
Report is 11 commits behind head on master.

Files with missing lines	Patch %	Lines
...schema-compiler/src/compiler/DataSchemaCompiler.js	0.00%	11 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (4d1b17a) and HEAD (654ce17). Click for more details.

HEAD has 2 uploads less than BASE

Flag	BASE (4d1b17a)	HEAD (654ce17)
cubesql	2	0

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #9453       +/-   ##
===========================================
- Coverage   83.91%   47.85%   -36.06%     
===========================================
  Files         229      171       -58     
  Lines       83657    21422    -62235     
  Branches        0     3711     +3711     
===========================================
- Hits        70197    10252    -59945     
+ Misses      13460    10738     -2722     
- Partials        0      432      +432     

Flag	Coverage Δ
cube-backend	47.85% <0.00%> (?)
cubesql	?

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