Revert "Fix lightbox blocking clicks on page elements"

This reverts commit 17b7af9b92.

app/assets/stylesheets/lightbox.css

@@ -3,11 +3,14 @@
     --dialog-duration: 350ms;
     --lightbox-padding: 3vmin;
 
+    align-items: center;
     background-color: transparent;
     block-size: 100dvh;
     border: 0;
+    display: flex;
     inline-size: 100dvw;
     inset: 0;
+    justify-content: center;
     margin: auto;
     max-height: unset;
     max-width: unset;
@@ -36,9 +39,6 @@
     /* Open state */
     &[open],
     &[open]::backdrop {
-      align-items: center;
-      display: flex;
-      justify-content: center;
       opacity: 1;
 
       @starting-style {

app/javascript/controllers/lightbox_controller.js

@@ -30,7 +30,7 @@ export default class extends Controller {
 
   reset() {
     this.zoomedImageTarget.src = ""
-    this.captionTarget.innerHTML = " "
+    this.captionTarget.innerHtml = " "
     this.dispatch('closed')
   }