[Nearby] Fix white-space on chrome://nearby-internals contacts tab

Change-Id: I52d66e23e3f55a6aa960de54e52aae98ba5a5f0c
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2370926
Auto-Submit: Josh Nohle <nohle@chromium.org>
Commit-Queue: James Vecore <vecore@google.com>
Reviewed-by: James Vecore <vecore@google.com>
Cr-Commit-Position: refs/heads/master@{#800882}

chrome/browser/resources/nearby_internals/contact_object.html

@@ -38,6 +38,7 @@
   .expanded-element {
     display: inline-block;
     padding-inline-start: 10px;
+    white-space: pre-wrap;
   }
 </style>
 <div id="item">