fix: 0 byte results in NaN in FileSizeIndicator

Author: szuperaz

src/components/MessageComposer/hooks/utils.ts

@@ -1,9 +1,9 @@
 export function prettifyFileSize(bytes: number, precision = 3) {
   const units = ['B', 'kB', 'MB', 'GB'];
-  const exponent = Math.min(
-    Math.floor(Math.log(bytes) / Math.log(1024)),
-    units.length - 1,
-  );
+  const exponent =
+    bytes === 0
+      ? 0
+      : Math.min(Math.floor(Math.log(bytes) / Math.log(1024)), units.length - 1);
   const mantissa = bytes / 1024 ** exponent;
   const formattedMantissa =
     precision === 0 ? Math.round(mantissa).toString() : mantissa.toPrecision(precision);