Fix folder not existing before task make use of it (again)

gradle.properties

@@ -1,4 +1,4 @@
-multi_filament_version=0.2.5
+multi_filament_version=0.2.6
 
 asm_version=9.5
 unpick_version=2.3.0

src/main/java/net/legacyfabric/multifilament/MultiFilamentExtension.java

@@ -81,9 +81,6 @@ protected void createTasks() {
 
         UnifyMappingsTask unifyMappings = getProject().getTasks().create("unifyMappings", UnifyMappingsTask.class, task -> {
             task.dependsOn(versionifyMappingsExclude);
-
-            task.doFirst(a -> getTempDirectory().getAsFile().get().mkdir());
-
             task.getUnifiedDir().set(getTempMappingsDir());
             task.getVersionedDir().set(getActiveMappingsDir());
             task.getOutputDir().set(getMultiMappingsDir());

src/main/java/net/legacyfabric/multifilament/task/DeduplicateMappingsTask.java

@@ -61,5 +61,6 @@ public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOEx
 		});
 		this.getInputDir().getAsFile().get().delete();
 		Files.move(this.getOutputDir().getAsFile().get().toPath(), this.getInputDir().getAsFile().get().toPath());
+		this.getOutputDir().getAsFile().get().mkdirs();
 	}
 }

src/main/java/net/legacyfabric/multifilament/task/VersionifyExcludeMappingsTask.java

@@ -65,5 +65,6 @@ public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOEx
 		});
 		this.getInputDir().getAsFile().get().delete();
 		Files.move(this.getOutputDir().getAsFile().get().toPath(), this.getInputDir().getAsFile().get().toPath());
+		this.getOutputDir().getAsFile().get().mkdirs();
 	}
 }