fix: pagination bug when cycling through genre pages

Author: t9nzin

app/helpers/application_helper.rb

@@ -40,7 +40,7 @@ def pagy_nav(pagy)
 
     # previous button
     if pagy.prev
-      html << link_to("← Prev", url_for(page: pagy.prev), class: "glass-button px-4 py-2 rounded-lg text-white hover:bg-white/30 transition-all")
+      html << link_to("← Prev", url_for(request.query_parameters.merge(page: pagy.prev)), class: "glass-button px-4 py-2 rounded-lg text-white hover:bg-white/30 transition-all")
     else
       html << %(<span class="px-4 py-2 rounded-lg text-white/30 cursor-not-allowed">← Prev</span>)
     end
@@ -52,7 +52,7 @@ def pagy_nav(pagy)
         if item == pagy.page
           html << %(<span class="glass-button px-4 py-2 rounded-lg text-blue-500 bg-white/20 font-semibold">#{item}</span>)
         else
-          html << link_to(item, url_for(page: item), class: "glass-button px-4 py-2 rounded-lg text-white hover:bg-white/30 transition-all")
+          html << link_to(item, url_for(request.query_parameters.merge(page: item)), class: "glass-button px-4 py-2 rounded-lg text-white hover:bg-white/30 transition-all")
         end
       when String
         html << %(<span class="px-4 py-2 text-white/50">#{item}</span>)
@@ -61,7 +61,7 @@ def pagy_nav(pagy)
 
     # next button
     if pagy.next
-      html << link_to("Next →", url_for(page: pagy.next), class: "glass-button px-4 py-2 rounded-lg text-white hover:bg-white/30 transition-all")
+      html << link_to("Next →", url_for(request.query_parameters.merge(page: pagy.next)), class: "glass-button px-4 py-2 rounded-lg text-white hover:bg-white/30 transition-all")
     else
       html << %(<span class="px-4 py-2 rounded-lg text-white/30 cursor-not-allowed">Next →</span>)
     end