Fix emscripten transform parameters output array

[thewtex]

This:

ITK-Wasm/packages/core/typescript/itk-wasm/src/pipeline/internal/run-pipeline-emscripten.ts

Line 672 in bae1ace

if (transform.numberOfFixedParameters > 0) {

should checkout for the number of parameters, not fixed parameters.

Also, the type of the fixed parameters (above) are always double.