Str-context-split: "Follow"

## Issue
4192

static/app-strings.json

@@ -21,6 +21,8 @@
   "Library": "Library",
   "Purchased": "Purchased",
   "Following": "Following",
+  "Following --[sidebar button]--": "Following",
+  "Following --[button label indicating a channel has been followed]--": "Following",
   "The tags you follow will change what's trending for you.": "The tags you follow will change what's trending for you.",
   "Tags": "Tags",
   "Send a tip": "Send a tip",

ui/component/sideNavigation/view.jsx

@@ -21,7 +21,7 @@ const HOME = {
 };
 
 const RECENT_FROM_FOLLOWING = {
-  label: 'Following',
+  label: 'Following --[sidebar button]--',
   navigate: `/$/${PAGES.CHANNELS_FOLLOWING}`,
   icon: ICONS.SUBSCRIBE,
 };

ui/component/subscribeButton/view.jsx

@@ -41,7 +41,9 @@ export default function SubscribeButton(props: Props) {
   const claimName = '@' + channelName;
 
   const subscriptionHandler = isSubscribed ? doChannelUnsubscribe : doChannelSubscribe;
-  const subscriptionLabel = isSubscribed ? __('Following') : __('Follow');
+  const subscriptionLabel = isSubscribed
+    ? __('Following --[button label indicating a channel has been followed]--')
+    : __('Follow');
   const unfollowOverride = isSubscribed && isHovering && __('Unfollow');
 
   const label = isMobile && shrinkOnMobile ? '' : unfollowOverride || subscriptionLabel;

ui/component/tagsSearch/view.jsx

@@ -148,7 +148,7 @@ export default function TagsSearch(props: Props) {
               %selectTagsLabel% (%number% left)
             </I18nMessage>
           ) : (
-            label || __('Following')
+            label || __('Following --[button label indicating a channel has been followed]--')
           )}
         </label>
         <ul className="tags--remove">

ui/page/discover/view.jsx

@@ -50,7 +50,7 @@ function DiscoverPage(props: Props) {
   const tag = (tags && tags[0]) || null;
 
   const isFollowing = followedTags.map(({ name }) => name).includes(tag);
-  let label = isFollowing ? __('Following') : __('Follow');
+  let label = isFollowing ? __('Following --[button label indicating a channel has been followed]--') : __('Follow');
   if (isHovering && isFollowing) {
     label = __('Unfollow');
   }