pdf fix and alignment

fileManager.js

@@ -217,7 +217,7 @@ export function renderFileTable(folder) {
         let previewIcon = "";
         if (/\.(jpg|jpeg|png|gif|bmp|webp|svg|ico|tif|tiff|eps|heic)$/i.test(file.name)) {
           previewIcon = `<i class="material-icons">image</i>`;
-        } else if (/\.(mp4|webm|mov|ogg)$/i.test(file.name)) {
+        } else if (/\.(mp4|webm|ogg)$/i.test(file.name)) {
           previewIcon = `<i class="material-icons">videocam</i>`;
         } else if (/\.pdf$/i.test(file.name)) {
           previewIcon = `<i class="material-icons">picture_as_pdf</i>`;
@@ -356,9 +356,10 @@ window.previewFile = function (fileUrl, fileName) {
   } else if (extension === "pdf") {
     // PDF preview using <embed> with explicit sizing
     const embed = document.createElement("embed");
-    embed.src = fileUrl;
+    // Append a timestamp to force reload
+    const separator = fileUrl.indexOf('?') === -1 ? '?' : '&';
+    embed.src = fileUrl + separator + 't=' + new Date().getTime();
     embed.type = "application/pdf";
-    // Instead of using the image-modal-img class, set larger dimensions
     embed.style.width = "80vw";
     embed.style.height = "80vh";
     embed.style.border = "none";

styles.css

@@ -1216,7 +1216,7 @@ body.dark-mode #fileListContainer {
    =========================================================== */
 .folder-tree {
   list-style-type: none;
-  padding-left: 25px;
+  padding-left: 10px;
   margin: 0;
 }
 
@@ -1236,11 +1236,14 @@ body.dark-mode #fileListContainer {
 .folder-toggle {
   cursor: pointer;
   margin-right: 5px;
+  display: inline-block;
+  width: 25px; /* or adjust to desired width */
+  text-align: right;
 }
 
 .folder-indent-placeholder {
   display: inline-block;
-  width: 0px;
+  width: 30px;
 }
 
 .folder-option {