style(grid): Update reusable component sizing and remove unused avatar size style

Author: desig9stein

demo/index.html

@@ -42,10 +42,6 @@
           margin-inline-start: auto;
       }
 
-      igc-grid-lite {
-          --ig-avatar-size: 24px;
-      }
-
       #demo {
           display: flex;
           flex-direction: column;

src/styles/body-cell/body-cell.scss

@@ -15,6 +15,13 @@ $inset-shadow-width: #{rem(1px)};
     font-size: rem(13px);
     overflow-wrap: anywhere;
 	min-height: sizable(rem(32px), rem(40px), rem(48px));
+	
+	igc-avatar,
+	igc-rating,
+	igc-select,
+	igc-input {
+		--ig-size: var(--ig-size-small);
+	}
 
     &:last-of-type {
         border-right: 0;