first fully ready for trying system

features/files/common/src/jvmMain/kotlin/dev/inmo/postssystem/features/files/common/WriteDistFilesStorage.kt

@@ -5,6 +5,7 @@ import dev.inmo.postssystem.features.files.common.storage.WriteFilesStorage
 import dev.inmo.micro_utils.repos.*
 import io.ktor.utils.io.core.copyTo
 import io.ktor.utils.io.streams.asOutput
+import io.ktor.utils.io.streams.writePacket
 import kotlinx.coroutines.flow.*
 import java.io.File
 
@@ -38,7 +39,11 @@ class WriteDistFilesStorage(
             file = newId.file
         } while (file.exists())
         metasKeyValueRepo.set(newId, it.toMetaFileInfo())
-        it.inputProvider().copyTo(file.outputStream().asOutput())
+        it.inputProvider().use { input ->
+            file.outputStream().asOutput().use { output ->
+                input.copyTo(output)
+            }
+        }
         FullFileInfoStorageWrapper(newId, it)
     }