fix: make line numbers unselectable

Author: akoreman

src/code-view/internal.tsx

@@ -56,7 +56,7 @@ export function InternalCodeView({
             return (
               <tr key={index}>
                 {lineNumbers && (
-                  <td className={styles["line-number"]} aria-hidden={true}>
+                  <td className={clsx(styles["line-number"], styles.unselectable)} aria-hidden={true}>
                     <Box color="text-status-inactive" fontSize="body-m">
                       {index + 1}
                     </Box>

src/code-view/styles.scss

@@ -41,6 +41,11 @@ $color-background-code-view-dark: #282c34;
   padding-right: cs.$space-static-xs;
 }
 
+.unselectable {
+  -webkit-user-select: none;
+  user-select: none;
+}
+
 .code-line {
   padding-left: cs.$space-static-xs;
   padding-right: cs.$space-static-xs;