Improve paste-to-upload UX with a modal dialog; drop media file preview in My Projects

Views/admin/myprojectsget.cshtml

@@ -100,9 +100,11 @@ else
     <!-- FILE UPLOAD -->
     <div id="fileWrap" class="mb-2">
         <label class="text-white">Upload</label>
-        <img id="mediaFilePreview" style="display:none;max-width:160px;max-height:120px;object-fit:contain;background:#fff;border-radius:6px;padding:4px;" class="mb-2 d-block" />
         <input id="mediaFile" type="file" name="mediaFile" class="form-control bg-dark text-white" />
-        <small class="text-muted">Upload image/document files. You can also paste (Ctrl+V) an image directly.</small>
+        <button type="button" class="btn btn-outline-light btn-sm mt-2" onclick="PasteImageModal.open('#mediaFile')">
+            <i class="fa-solid fa-paste me-1"></i>Paste image
+        </button>
+        <small class="text-muted d-block mt-1">Upload image/document files.</small>
     </div>
 
     <div class="mb-3">
@@ -137,7 +139,5 @@ else
     sel.addEventListener("change", sync);
     sync();
 })();
-
-enablePasteUpload('#mediaFile', '#mediaFilePreview');
 </script>