update snippets: integrate-openvino-with-your-application#step-4-set-… (

#25532)

Just match context. (refs
#25532 (comment))

<img width="1693" alt="Screenshot 2024-07-30 at 22 06 43"
src="https://github.com/user-attachments/assets/45d35a0e-d18c-47fe-afb0-6d90d9bd4874">
<img width="1693" alt="Screenshot 2024-07-30 at 22 08 41"
src="https://github.com/user-attachments/assets/4994aea0-e6ca-4a79-a8b4-ae7c7de646aa">

docs/snippets/src/main.c

@@ -61,7 +61,7 @@ void * memory_ptr = NULL;
 //! [part4]
 // Get input port for model with one input
 ov_output_const_port_t* input_port = NULL;
-ov_model_const_input(model, &input_port);
+ov_compiled_model_input(compiled_model, &input_port);
 // Get the input shape from input port
 ov_shape_t input_shape;
 ov_const_port_get_shape(input_port, &input_shape);
@@ -109,4 +109,4 @@ build/                  - build directory
    ...
 
 //! [part7]
-*/
+*/