Don't capture ctrl+a if currently in a text field.

frontends/etiquette_flask/static/js/common.js

@@ -1,3 +1,5 @@
+var INPUT_TYPES = new Set(["INPUT", "TEXTAREA"]);
+
 function create_message_bubble(message_area, message_positivity, message_text, lifespan)
 {
     if (lifespan === undefined)

frontends/etiquette_flask/static/js/photoclipboard.js

@@ -167,6 +167,10 @@ function set_keybinds()
 {
     window.addEventListener("keydown", function(event)
     {
+        if (INPUT_TYPES.has(event.target.tagName))
+        {
+            return;
+        }
         if (event.key == "a" && event.ctrlKey)
         {
             select_all_photos();