mgr/dashboard: fix total capacity value in dashboard

Regression from a different commit
ceph@2609d4f#diff-caee5ab662130fe721d15eca7a6e2dc79b671df025bde3bfd78c3c3ca4c578d1R249

Fixes: https://tracker.ceph.com/issues/73036
Signed-off-by: Nizamudeen A <[email protected]>

Author: nizamial09

src/pybind/mgr/dashboard/frontend/src/app/ceph/dashboard-v3/dashboard/dashboard-v3.component.html

@@ -244,9 +244,9 @@
           <div class="ms-4 me-4 mt-0">
             <cd-dashboard-time-selector (selectedTime)="getPrometheusData($event)">
             </cd-dashboard-time-selector>
-            <ng-container *ngIf="usedCapacity">
+            <ng-container *ngIf="totalCapacity">
               <cd-dashboard-area-chart chartTitle="Used Capacity (RAW)"
-                                       [maxValue]="usedCapacity"
+                                       [maxValue]="totalCapacity"
                                        dataUnits="B"
                                        [labelsArray]="['Used Capacity']"
                                        [dataArray]="[queriesResults.USEDCAPACITY]">