Kernel: Unify Kernel task names for consistency

This change unifies the naming convention for kernel tasks.

The goal of this change is to:

- Make the task names more descriptive, so users can more
  easily understand their purpose in System Monitor.

- Unify the naming convention so they are consistent.

Kernel/WorkQueue.cpp

@@ -16,7 +16,7 @@ WorkQueue* g_io_work;
 
 UNMAP_AFTER_INIT void WorkQueue::initialize()
 {
-    g_io_work = new WorkQueue("IO WorkQueue");
+    g_io_work = new WorkQueue("IO WorkQueue Task");
 }
 
 UNMAP_AFTER_INIT WorkQueue::WorkQueue(StringView name)