[type-compiler] Use CompilerOptions configFilePath if available to locate tsconfig's reflection option

[marcj]

We started handling configFilePath here

deepkit-framework/packages/type-compiler/src/compiler.ts

Line 542 in e02fa0d

if ('string' === typeof this.compilerOptions.configFilePath && !this.compilerOptions.paths) {

,

which should also be used to read the "reflection" option. Currently it always tries to read a tsconfig.json, which fails often in a more complex monorepo