Fixed issues with next/prev post functionality not working with certin URL setups, as the query was not making it back to the server, or was being lost on redirect

ext/image/theme.php

@@ -9,11 +9,11 @@ class ImageIOTheme extends Themelet
      */
     public function get_deleter_html(int $image_id): string
     {
-        return (string)SHM_SIMPLE_FORM(
+        return (string)"<span id='image_delete_form'>".SHM_SIMPLE_FORM(
             "image/delete",
             INPUT(["type"=>'hidden', "name"=>'image_id', "value"=>$image_id]),
-            INPUT(["type"=>'submit', "value"=>'Delete', "onclick"=>'return confirm("Delete the image?");']),
+            INPUT(["type"=>'submit', "value"=>'Delete', "onclick"=>'return confirm("Delete the image?");', "id"=>"image_delete_button"]),
-        );
+        )."</span>";
     }
 
     /**

ext/view/main.php

@@ -77,7 +77,13 @@ class ViewImage extends Extension
             if (!$image->is_locked() || $user->can(Permissions::EDIT_IMAGE_LOCK)) {
                 send_event(new ImageInfoSetEvent($image));
                 $page->set_mode(PageMode::REDIRECT);
-                $page->set_redirect(make_link("post/view/$image_id", url_escape(@$_POST['query'])));
+
+                if (isset($_GET['search'])) {
+                    $query = "search=" . url_escape($_GET['search']);
+                } else {
+                    $query = null;
+                }
+                $page->set_redirect(make_link("post/view/$image_id", null, $query)); 
             } else {
                 $this->theme->display_error(403, "Post Locked", "An admin has locked this post");
             }

ext/view/script.js

@@ -1,18 +1,29 @@
+function joinUrlSegments(base, query) {
+    let  separatorChar = "?";
+    if(base.includes("?")) {
+        separatorChar = "&";
+    }
+    return base + separatorChar + query;
+}
+
 document.addEventListener('DOMContentLoaded', () => {
 	if(document.location.hash.length > 3) {
 		var query = document.location.hash.substring(1);
 
 		$('LINK#prevlink').attr('href', function(i, attr) {
-			return attr + '?' + query;
+			return joinUrlSegments(attr,query);
 		});
 		$('LINK#nextlink').attr('href', function(i, attr) {
-			return attr + '?' + query;
+            return joinUrlSegments(attr,query);
 		});
 		$('A#prevlink').attr('href', function(i, attr) {
-			return attr + '?' + query;
+            return joinUrlSegments(attr,query);
 		});
 		$('A#nextlink').attr('href', function(i, attr) {
-			return attr + '?' + query;
+            return joinUrlSegments(attr,query);
+		});
+        $('span#image_delete_form form').attr('action', function(i, attr) {
+            return joinUrlSegments(attr,query);
         });
 	}
 });