Merge pull request #5481 from DSpace/backport-4949-to-dspace-9_x

[Port dspace-9_x] [DURACOM-429] simplify truncatable calculation

Author: tdonohue

src/app/shared/truncatable/truncatable-part/truncatable-part.component.ts

@@ -127,24 +127,10 @@ export class TruncatablePartComponent implements AfterViewChecked, OnInit, OnDes
   public truncateElement() {
     if (this.showToggle) {
       const entry = this.content.nativeElement;
-      if (entry.scrollHeight > entry.offsetHeight) {
-        if (entry.children.length > 0) {
-          if (entry.children[entry.children.length - 1].offsetHeight > entry.offsetHeight) {
-            entry.classList.add('truncated');
-            entry.classList.remove('removeFaded');
-          } else {
-            entry.classList.remove('truncated');
-            entry.classList.add('removeFaded');
-          }
-        } else {
-          if (entry.innerText.length > 0) {
-            entry.classList.add('truncated');
-            entry.classList.remove('removeFaded');
-          } else {
-            entry.classList.remove('truncated');
-            entry.classList.add('removeFaded');
-          }
-        }
+      const isOverflowing = entry.scrollHeight > entry.clientHeight;
+      if (isOverflowing) {
+        entry.classList.add('truncated');
+        entry.classList.remove('removeFaded');
       } else {
         entry.classList.remove('truncated');
         entry.classList.add('removeFaded');