Fix regression causing dynamic URL pane to disappear

Reported internally.

Related commit:
- gorhill@f876b68

src/logger-ui.html

@@ -108,7 +108,7 @@
         <div class="headers">
             &ensp;
             <span class="header details" data-pane="details" data-i18n="loggerEntryDetailsHeader"></span>
-            <span class="header dynamic hide" data-pane="dynamic" data-i18n="loggerURLFilteringHeader"></span>
+            <span class="header dynamic" data-pane="dynamic" data-i18n="loggerURLFilteringHeader"></span>
             <span class="header static" data-pane="static" data-i18n="loggerStaticFilteringHeader"></span>
             <span class="tools"><span class="fa-icon reload">refresh</span>&ensp;<span class="fa-icon picker">eye-dropper</span></span>
         </div>
@@ -125,7 +125,7 @@
                 <div><span>CNAME</span><span></span></div>
                 <div><span>Original URL</span><span></span></div>
             </div>
-            <div class="pane dynamic hide" data-pane="dynamic">
+            <div class="pane dynamic" data-pane="dynamic">
                 <div class="toolbar row">
                     <span><span id="saveRules" class="fa-icon">lock</span></span>
                     <span>