refact: add namespace to nested detail pages (#15261)

* refact: add namespace to job breadcrumb

* refact: edit markup for correctness

* styling: add child span style

* chore: undo prev commits after design exploration

* ui: add namespace to alloc details

* ui: add namespace to task details

* ui: add namespace to taskgroup

ui/app/templates/allocations/allocation/index.hbs

@@ -124,6 +124,14 @@
           </LinkTo>
         </Tooltip>
       </span>
+      <span class="pair">
+        <span class="term">
+          Namespace
+        </span>
+        <span>
+          {{this.model.job.namespace.name}}
+        </span>
+      </span>
     </div>
   </div>
   <div class="boxed-section">

ui/app/templates/allocations/allocation/task/index.hbs

@@ -97,6 +97,14 @@
           {{this.model.task.lifecycleName}}
         </span>
       </span>
+      <span class="pair">
+        <span class="term">
+          Namespace
+        </span>
+        <span>
+          {{this.model.allocation.job.namespace.name}}
+        </span>
+      </span>
 
       {{#if (and (can "list variables") this.model.task.pathLinkedVariable)}}
         <span class="pair" data-test-task-stat="variables">

ui/app/templates/jobs/job/task-group.hbs

@@ -71,6 +71,12 @@
         </span>
         {{format-scheduled-bytes this.model.reservedEphemeralDisk start="MiB"}}
       </span>
+      <span class="pair">
+        <span class="term">
+          Namespace
+        </span>
+        {{this.model.job.namespace.name}}
+      </span>
       {{#if this.model.scaling}}
         <span class="pair" data-test-task-group-min>
           <span class="term">