Fix ternary typo in bottom-tab-navigator.md (#1397)

Author: willemk

versioned_docs/version-7.x/bottom-tab-navigator.md

@@ -447,7 +447,7 @@ const Tabs = createBottomTabNavigator({
 ```js
 <Tab.Navigator
   screenOptions={{
-    tabBarPosition: isLargeScreen ? 'left' ? 'bottom',
+    tabBarPosition: isLargeScreen ? 'left' : 'bottom',
   }}
 >
 ```
@@ -465,7 +465,7 @@ You can also render a compact sidebar by placing the label below the icon. This
 ```js
 const Tabs = createBottomTabNavigator({
   screenOptions: {
-    tabBarPosition: isLargeScreen ? 'left' ? 'bottom',
+    tabBarPosition: isLargeScreen ? 'left' : 'bottom',
     tabBarVariant: isLargeScreen ? 'material' : 'uikit',
     tabBarLabelPosition: 'below-icon',
   },

versioned_docs/version-8.x/bottom-tab-navigator.md

@@ -848,7 +848,7 @@ const Tabs = createBottomTabNavigator({
 ```js
 <Tab.Navigator
   screenOptions={{
-    tabBarPosition: isLargeScreen ? 'left' ? 'bottom',
+    tabBarPosition: isLargeScreen ? 'left' : 'bottom',
   }}
 >
 ```
@@ -866,7 +866,7 @@ You can also render a compact sidebar by placing the label below the icon. This
 ```js
 const Tabs = createBottomTabNavigator({
   screenOptions: {
-    tabBarPosition: isLargeScreen ? 'left' ? 'bottom',
+    tabBarPosition: isLargeScreen ? 'left' : 'bottom',
     tabBarVariant: isLargeScreen ? 'material' : 'uikit',
     tabBarLabelPosition: 'below-icon',
   },