♻️(frontend) remove share button when not logged in

We remove the share button if the user is not
logged in. Most of the elements in the share modal
nececessitate the user to be logged in.

src/frontend/apps/impress/src/features/docs/doc-header/components/DocToolBox.tsx

@@ -3,6 +3,7 @@ import React, { useState } from 'react';
 import { useTranslation } from 'react-i18next';
 
 import { Box, DropButton, IconOptions, Text } from '@/components';
+import { useAuthStore } from '@/core';
 import { usePanelEditorStore } from '@/features/docs/doc-editor/';
 import {
   Doc,
@@ -29,6 +30,7 @@ export const DocToolBox = ({ doc, versionId }: DocToolBoxProps) => {
   const { setIsPanelOpen, setIsPanelTableContentOpen } = usePanelEditorStore();
   const [isModalVersionOpen, setIsModalVersionOpen] = useState(false);
   const { isSmallMobile } = useResponsiveStore();
+  const { authenticated } = useAuthStore();
 
   return (
     <Box
@@ -52,14 +54,16 @@ export const DocToolBox = ({ doc, versionId }: DocToolBoxProps) => {
         </Box>
       )}
       <Box $direction="row" $margin={{ left: 'auto' }} $gap="1rem">
-        <Button
-          onClick={() => {
-            setIsModalShareOpen(true);
-          }}
-          size={isSmallMobile ? 'small' : 'medium'}
-        >
-          {t('Share')}
-        </Button>
+        {authenticated && (
+          <Button
+            onClick={() => {
+              setIsModalShareOpen(true);
+            }}
+            size={isSmallMobile ? 'small' : 'medium'}
+          >
+            {t('Share')}
+          </Button>
+        )}
         <DropButton
           button={
             <IconOptions