fix(input-group): fix icons size when svg icons are used inside the prefix/suffix of the input group combo and select (#14644)

Author: desig9stein

projects/igniteui-angular/src/lib/core/styles/components/input/_input-group-theme.scss

@@ -377,9 +377,9 @@
         align-items: center;
 
         @if $indigo-theme {
-            height: calc(100% - #{rem(1px)}) !important;
+            min-height: calc(100% - #{rem(1px)}) !important;
         } @else {
-            height: 100% !important;
+            min-height: 100% !important;
         }
         transition: color $transition-timing, background $transition-timing;