fix: defensive display:none on all modals — prevents phantom display

Si Alpine échoue à s'initialiser, x-show n'était pas traité
et les modals apparaissaient par défaut. display:none en fallback
garantit qu'ils sont cachés, Alpine les montre via x-show.

app/templates/local_workspace.html

@@ -2378,7 +2378,7 @@ console.log('FLOWDECK v2.4.6 — IIFE done, _wsInitData keys:', Object.keys(wind
   </div>
 
   <!-- Create Modal -->
-  <div class="modal-overlay" x-show="showCreate" @click.outside="showCreate=false" @keydown.escape="showCreate=false">
+  <div class="modal-overlay" x-show="showCreate" @click.outside="showCreate=false" @keydown.escape="showCreate=false" style="display:none">
     <div class="modal-box">
       <h3><span x-text="createType==='folder'?'📁':'📄'"></span> <span x-text="createType==='folder'?'New Folder':'New File'"></span></h3>
       <p class="modal-sub">
@@ -2394,7 +2394,7 @@ console.log('FLOWDECK v2.4.6 — IIFE done, _wsInitData keys:', Object.keys(wind
   </div>
 
   <!-- Rename Modal -->
-  <div class="modal-overlay" x-show="showRename" @click.outside="showRename=false" @keydown.escape="showRename=false">
+  <div class="modal-overlay" x-show="showRename" @click.outside="showRename=false" @keydown.escape="showRename=false" style="display:none">
     <div class="modal-box">
       <h3>✏️ Rename</h3>
       <p class="modal-sub">Rename <strong x-text="target?.name"></strong></p>
@@ -2407,7 +2407,7 @@ console.log('FLOWDECK v2.4.6 — IIFE done, _wsInitData keys:', Object.keys(wind
   </div>
 
   <!-- Delete Modal -->
-  <div class="modal-overlay" x-show="showDelete" @click.outside="showDelete=false" @keydown.escape="showDelete=false">
+  <div class="modal-overlay" x-show="showDelete" @click.outside="showDelete=false" @keydown.escape="showDelete=false" style="display:none">
     <div class="modal-box">
       <h3>🗑 Delete</h3>
       <p class="modal-sub">Delete <strong x-text="target?.name"></strong>?</p>