fix(ui): show native camera/gallery picker on mobile photo capture

Remove capture="environment" from the file input so mobile browsers
present the OS-native action sheet instead of opening the camera directly.

static/js/components/photo-capture.js

@@ -3,7 +3,6 @@ customElements.define("brew-photo-capture", class extends HTMLElement {
     const input = document.createElement("input");
     input.type = "file";
     input.accept = "image/*";
-    input.capture = "environment";
     input.hidden = true;
     this.appendChild(input);