minor changes

lib/ui/settings/storage_card_widget.dart

@@ -127,7 +127,7 @@ class _StorageCardWidgetState extends State<StorageCardWidget> {
     final freeStorageInBytes = totalStorageInBytes - usedStorageInBytes;
 
     final isMobileScreenSmall = MediaQuery.of(context).size.width <= 360;
-    final shouldShowFreeSpaceInMBs = freeStorageInBytes <= hundredMBinBytes;
+    final shouldShowFreeSpaceInMBs = freeStorageInBytes < hundredMBinBytes;
     final shouldShowFreeSpaceInTBs = freeStorageInBytes >= oneTBinBytes;
     final shouldShowUsedStorageInTBs = usedStorageInBytes >= oneTBinBytes;
     final shouldShowTotalStorageInTBs = totalStorageInBytes >= oneTBinBytes;
@@ -171,7 +171,7 @@ class _StorageCardWidgetState extends State<StorageCardWidget> {
                     style: getEnteTextTheme(context)
                         .h3Bold
                         .copyWith(color: textBaseDark),
-                    children: storageDetails(
+                    children: _usedStorageDetails(
                       isMobileScreenSmall: isMobileScreenSmall,
                       shouldShowTotalStorageInTBs: shouldShowTotalStorageInTBs,
                       shouldShowUsedStorageInTBs: shouldShowUsedStorageInTBs,
@@ -305,7 +305,7 @@ class _StorageCardWidgetState extends State<StorageCardWidget> {
     return num.parse(freeStorage.toStringAsFixed(fractionDigits));
   }
 
-  List<TextSpan> storageDetails({
+  List<TextSpan> _usedStorageDetails({
     @required isMobileScreenSmall,
     @required shouldShowUsedStorageInTBs,
     @required shouldShowTotalStorageInTBs,

lib/utils/data_util.dart

@@ -39,6 +39,7 @@ int convertBytesToMBs(int bytes) {
   return (bytes / pow(1024, 2)).round();
 }
 
+//Eg: 1TB, 1.3TB, 2.9TB, 3TB
 roundGBsToTBs(sizeInGBs) {
   final num sizeInTBs = num.parse((sizeInGBs / 1000).toStringAsFixed(1));
   if (sizeInTBs % 1 == 0) {