Annotate download nodes to avoid socket disconnection, closes #2367

lib/livebook_web/live/session_live/export_elixir_component.ex

@@ -37,6 +37,7 @@ defmodule LivebookWeb.SessionLive.ExportElixirComponent do
                 class="icon-button"
                 aria-label="download source"
                 href={~p"/sessions/#{@session.id}/export/download/exs"}
+                download
               >
                 <.remix_icon icon="download-2-line" class="text-lg" />
               </a>

lib/livebook_web/live/session_live/export_live_markdown_component.ex

@@ -53,6 +53,7 @@ defmodule LivebookWeb.SessionLive.ExportLiveMarkdownComponent do
                 href={
                   ~p"/sessions/#{@session.id}/download/export/livemd?include_outputs=#{@include_outputs}"
                 }
+                download
               >
                 <.remix_icon icon="download-2-line" class="text-lg" />
               </a>

lib/livebook_web/live/session_live/files_list_component.ex

@@ -157,7 +157,11 @@ defmodule LivebookWeb.SessionLive.FilesListComponent do
               </button>
             </.menu_item>
             <.menu_item>
-              <a role="menuitem" href={~p"/sessions/#{@session.id}/download/files/#{file_entry.name}"}>
+              <a
+                role="menuitem"
+                href={~p"/sessions/#{@session.id}/download/files/#{file_entry.name}"}
+                download
+              >
                 <.remix_icon icon="download-2-line" />
                 <span>Download</span>
               </a>