fix(journals): add type='button' to prevent form submission and migrate to V3 Action API for file downloads

src/routes/journals/[journal_id]/+layout.svelte

@@ -99,8 +99,7 @@
         "
     >
         <!-- If middle click then open the all journals page in a new tab. Otherwise show/hide the menu. -->
-        <button
-            type="button"
+        <button type="button"
             onmousedown={(event) => {
                 if (event.button === 1) {
                     // Middle click - open in new tab
@@ -230,8 +229,7 @@ Middle-click to open in new tab`}
             </a>
         {:else}
             <!-- Edit Journal button. Creates a modal to edit the journal. -->
-            <!-- <button
-        type="button"
+            <!-- <button type="button"
         onclick={() => {
             tmp_journal_obj = {
                 name: $lq__journal_obj?.name,
@@ -265,8 +263,7 @@ Middle-click to open in new tab`}
             <!-- <span class="text-sm text-gray-500 hidden md:inline">
             New entry:
         </span> -->
-            <button
-                type="button"
+            <button type="button"
                 onclick={() => {
                     // $journals_sess.show__modal_new__journal_entry_obj = true;