feat(scheduler): persist invert preference in localStorage

Plugin/usr/local/emhttp/plugins/varaverk/pages/scheduler.php

@@ -184,7 +184,7 @@ foreach ($tree as $orch) {
               <input type="checkbox" id="vv-scroll-lock" onchange="vvToggleScrollLock(this)"> <span>Scroll Lock</span>
             </label>
             <label id="vv-invert-log-label" class="vv-log-label" title="Show newest lines at top" style="display:none">
-              <input type="checkbox" id="vv-invert-log" onchange="vvFetchRight()"> <span>Invert</span>
+              <input type="checkbox" id="vv-invert-log" onchange="vvToggleInvert(this)"> <span>Invert</span>
             </label>
             <button id="vv-save-script-btn" class="vv-btn-sm vv-save-script-btn-style" onclick="vvSaveScript()" style="display:none">Save Script</button>
             <button id="vv-save-conf-btn" class="vv-btn-sm vv-save-script-btn-style" onclick="vvSaveConf()" style="display:none">Save Config</button>
@@ -392,6 +392,16 @@ function vvRestoreScrollLock() {
   document.getElementById('vv-log-pre').style.overflowY = on ? 'hidden' : '';
 }
 
+function vvToggleInvert(cb) {
+  localStorage.setItem('vv-invert-log', cb.checked ? '1' : '0');
+  vvFetchRight();
+}
+
+function vvRestoreInvert() {
+  const val = localStorage.getItem('vv-invert-log');
+  if (val !== null) document.getElementById('vv-invert-log').checked = val === '1';
+}
+
 function vvBackToSuggestions() {
   if (vvActiveId) {
     const old = document.querySelector('[data-id="' + CSS.escape(vvActiveId) + '"]');
@@ -816,6 +826,7 @@ function vvToggleSugBlock(bi) {
 <script>
 requestAnimationFrame(function() {
   vvRestoreScrollLock();
+  vvRestoreInvert();
   const last = localStorage.getItem('vv-last-job');
   if (last && document.querySelector('[data-id="' + CSS.escape(last) + '"]')) {
     vvOpenRight(last);