feat: Enhance notification template for better UX

Improved notification display to address issue of a blank box when
clicking the icon. Now, a centered icon with No notification is shown
for a clearer user experience. This change enhances UI clarity and
user-friendliness.

Fix: #2005

Implemented the translation functionality

src/assets/translations/ne-NE.json

@@ -2557,6 +2557,7 @@
       "No client was found": "कुनै ग्राहक भेटिएन",
       "No data found": "कुनै डाटा फेला परेन",
       "No loan locked available": "कुनै ऋण उपलब्ध छैन।",
+      "No notifications": "कुनै सूचना छैन",
       "No pending loan available for disbursal": "वितरणको लागि कुनै पेन्डिङ ऋण उपलब्ध छैन।",
       "No pending loans for approval": "स्वीकृतिको लागि कुनै पेन्डिङ ऋण छैन।",
       "No pending rescheduled loan available for this account": "यस खाताको लागि कुनै पेन्डिङ पुन: निर्धारित ऋण उपलब्ध छैन।",