refactor(chip): Make sure that the suffix and prefix have ellipsis if they had longer text. (#15395)

Author: desig9stein

projects/igniteui-angular/src/lib/core/styles/components/chip/_chip-theme.scss

@@ -700,7 +700,9 @@
 
     %igx-chip__prefix,
     %igx-chip__suffix {
-        display: inline-flex;
+        @include ellipsis();
+
+        display: inline-block;
         vertical-align: middle;
         max-width: $chip-max-width;