Fix DataCenter emission calculation: VM-level processing, authentication fixes, and type safety improvements

sge-frontend/src/@core/components/spinner/Fallback-spinner.js

@@ -0,0 +1,13 @@
+const SpinnerComponent = () => {
+  return (
+    <div className='fallback-spinner vh-100'>
+      <div className='loading'>
+        <div className='effect-1 effects'></div>
+        <div className='effect-2 effects'></div>
+        <div className='effect-3 effects'></div>
+      </div>
+    </div>
+  )
+}
+
+export default SpinnerComponent

sge-frontend/src/@core/components/spinner/Loading-spinner.js

@@ -0,0 +1,13 @@
+const ComponentSpinner = () => {
+  return (
+    <div className='fallback-spinner'>
+      <div className='loading component-loader'>
+        <div className='effect-1 effects'></div>
+        <div className='effect-2 effects'></div>
+        <div className='effect-3 effects'></div>
+      </div>
+    </div>
+  )
+}
+
+export default ComponentSpinner