Module can't generate ModuleGen file on specific case.

[aerain]

Describe the bug
When I declare same named two Module class in different packages,
koin-ksp-compiler failed to task.

To Reproduce
Steps to reproduce the behavior:

1. declare two Module class in different packages with same name.

foo/DatabaseConfig.kt

package foo

@Module
class DatabaseConfig {

    @Single
    @Named("mysql")
    fun mysql(): String = "this is mysql"
}

bar/DatabaseConfig.kt

package bar

@Module
class DatabaseConfig {
    @Single
    @Named("mariadb")
    fun mariadb(): String = "this is mariadb"
}

2. build
3. kspKotlin task failed.
4. See error

[ksp] kotlin.io.FileAlreadyExistsException: [location]
        at com.google.devtools.ksp.processing.impl.CodeGeneratorImpl.createNewFile(CodeGeneratorImpl.kt:75)
	at com.google.devtools.ksp.processing.CodeGenerator$DefaultImpls.createNewFile$default(CodeGenerator.kt:59)
	at org.koin.compiler.generator.KoinGeneratorKt.getFile(KoinGenerator.kt:103)
	at org.koin.compiler.generator.KoinGeneratorKt.getFile$default(KoinGenerator.kt:103)
	at org.koin.compiler.generator.KoinGenerator.generateModule(KoinGenerator.kt:68)
	at org.koin.compiler.generator.KoinGenerator.generateModules(KoinGenerator.kt:49)
        ...

Expected behavior
Generate Two Module files successfully.

Koin project used and used version (please complete the following information):
koin-core: 3.2.0-beta-1
koin-annotations: 1.0.0-beta-2

Additional moduleDefinition
Add any other moduleDefinition about the problem here.

[arnaudgiuliani]

To follow with #15