Use a generic name for the search parameter

This way we can use it for any model.

app/components/admin/search_component.html.erb

@@ -1,7 +1,7 @@
 <div class="small-12 medium-6">
   <%= form_tag(url, method: :get) do |f| %>
     <div class="input-group">
-        <%= text_field_tag :name_or_email, params[:name_or_email].to_s, placeholder: t("admin.shared.user_search.placeholder") %>
+        <%= text_field_tag :search, search_terms.to_s, placeholder: t("admin.shared.user_search.placeholder") %>
       <div class="input-group-button">
         <%= submit_tag t("admin.shared.user_search.button"), class: "button" %>
       </div>

app/components/admin/search_component.rb

@@ -4,4 +4,10 @@ class Admin::SearchComponent < ApplicationComponent
   def initialize(url:)
     @url = url
   end
+
+  private
+
+    def search_terms
+      params[:search]
+    end
 end