fix: Retrieve value from scoped `search_term` input field

lib/medical_transcription_web/components/code_select.ex

@@ -79,8 +79,10 @@ defmodule MedicalTranscriptionWeb.Components.CodeSelect do
   end
 
   @impl Phoenix.LiveComponent
-  def handle_event("suggest-code", %{"search_term" => text}, socket) do
-    suggested_codes = MedicalTranscription.Coding.search_for_code_vector(text)
+  def handle_event("suggest-code", params, socket) do
+    form_id = socket.assigns.form.id
+    %{^form_id => %{"search_term" => value}} = params
+    suggested_codes = MedicalTranscription.Coding.search_for_code_vector(value)
 
     {:noreply, assign(socket, :codes, suggested_codes)}
   end