refactor(ui): standardize button types and migrate file operations to V3 Action API

src/routes/idaa/(idaa)/bb/[post_id]/+page.svelte

@@ -247,8 +247,7 @@
 
     <!-- View (default)/Edit post_id toggle -->
     {#if $idaa_sess.bb.edit__post_obj}
-        <button
-            type="button"
+        <button type="button"
             class="
                 novi_btn
                 btn btn-sm
@@ -276,8 +275,7 @@
     {:else}
         <!-- This checks if the currently logged in Novi user has a matching UUID or email address. -->
         {#if ($ae_loc.trusted_access && $ae_loc.edit_mode) || $lq__post_obj?.external_person_id === $idaa_loc.novi_uuid || $lq__post_obj?.email === $idaa_loc.novi_email}
-            <button
-                type="button"
+            <button type="button"
                 class="
                     novi_btn
                     btn btn-sm preset-tonal-warning