llama-graph: replace cont with reshape for alpha in qwen35 (#20640)

Author: am17an

src/models/qwen35.cpp

@@ -224,7 +224,7 @@ ggml_tensor * llm_build_qwen35::build_layer_attn_linear(
     beta = ggml_sigmoid(ctx0, beta);
 
     ggml_tensor * alpha = build_lora_mm(model.layers[il].ssm_alpha, cur, model.layers[il].ssm_alpha_s);
-    alpha = ggml_cont_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
+    alpha = ggml_reshape_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
     cb(alpha, "alpha", il);
 
     ggml_tensor * alpha_biased   = ggml_add(ctx0, alpha, model.layers[il].ssm_dt);

src/models/qwen35moe.cpp

@@ -224,7 +224,7 @@ ggml_tensor * llm_build_qwen35moe ::build_layer_attn_linear(
     beta = ggml_sigmoid(ctx0, beta);
 
     ggml_tensor * alpha = build_lora_mm(model.layers[il].ssm_alpha, cur, model.layers[il].ssm_alpha_s);
-    alpha = ggml_cont_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
+    alpha = ggml_reshape_3d(ctx0, alpha, num_v_heads, n_seq_tokens, n_seqs);
     cb(alpha, "alpha", il);
 
     ggml_tensor * alpha_biased   = ggml_add(ctx0, alpha, model.layers[il].ssm_dt);