Add exact timestamps to mod log.

Modlog only had ModAction.age_string visible. However, we sometimes
need to know the exact time an action was taken.
Adds `created_string` to ModAction, and exposes that to log.html.

files/classes/mod_logs.py

@@ -60,6 +60,10 @@ class ModAction(Base):
 			years = int(months / 12)
 			return f"{years}yr ago"
 
+	@property
+	@lazy
+	def created_string(self):
+		return time.strftime('%d %b %Y %H:%M:%S UTC', time.gmtime(self.created_utc))
 
 	@property
 	def note(self):

files/templates/log.html

@@ -106,7 +106,9 @@
 							<span>{{ma.string | safe}}</span>
 						</div>
 
-						<div class="text-gray-500">{{ma.age_string}} <a href="{{ma.permalink}}"><i class="far fa-link ml-1 text-muted"></i></a>
+						<div class="text-gray-500">
+							<span class="log--item-age" title="{{ ma.created_string }}">{{ma.age_string}}</span>
+							<a href="{{ma.permalink}}"><i class="far fa-link ml-1 text-muted"></i></a>
 							<a role="button" class="copy-link" role="button" data-clipboard-text="{{ma.permalink}}"><i class="far fa-copy ml-1 text-muted"></i></a>
 						</div>