[Feature] Add LoRA support for embedding layers (#14177)

Co-authored-by: Baizhou Zhang <sobereddiezhang@gmail.com>
Co-authored-by: Beichen-Ma <bm685@cornell.edu>

test/run_suite_nightly.py

@@ -14,6 +14,7 @@ suites = {
         TestFile("test_lora_eviction_policy.py", 200),
         TestFile("test_lora_openai_api.py", 30),
         TestFile("test_lora_openai_compatible.py", 150),
+        TestFile("test_lora_hf_sgl_logprob_diff.py", 300),
         TestFile("test_batch_invariant_ops.py", 10),
         TestFile("test_cpp_radix_cache.py", 60),
         TestFile("test_deepseek_v3_deterministic.py", 240),