Remove trailing whitespaces from codebase (#5634)

Removes trailing whitespaces found across the codebase using `find . -type f -exec grep -lE ' +$' {} +`

[skip ci]

src/invidious/views/components/player.ecr

@@ -25,7 +25,7 @@
                audio_streams.each_with_index do |fmt, i|
                 src_url  = "/latest_version?id=#{video.id}&itag=#{fmt["itag"]}"
                 src_url += "&local=true" if params.local
-                src_url = invidious_companion.public_url.to_s + src_url + 
+                src_url = invidious_companion.public_url.to_s + src_url +
                             "&check=#{invidious_companion_check_id}" if (invidious_companion)
 
                 bitrate = fmt["bitrate"]

src/invidious/views/template.ecr

@@ -159,7 +159,7 @@
                             <% end %>
                             @ <%= CURRENT_BRANCH %>
                             <% if CURRENT_TAG != "" %>
-                            (                                
+                            (
                                 <% if CONFIG.modified_source_code_url %>
                                     <a href="<%= CONFIG.modified_source_code_url %>/releases/tag/<%= CURRENT_TAG %>"><%= CURRENT_TAG %></a>
                                 <% else %>