fix(material/chips): update chip-row disabled chip to be focused

Updates chip-row element of Angular Components Chip Component to
be focusable even if the chip is disabled. This allows the chip
to be accessed via screenreader and read aloud as a disabled chip.

Fixes b/380373844

Author: essjay05

Diff for: src/material/chips/chip-row.ts

@@ -114,7 +114,7 @@ export class MatChipRow extends MatChip implements AfterViewInit {
 
   /** Sends focus to the first gridcell when the user clicks anywhere inside the chip. */
   _handleFocus() {
-    if (!this._isEditing && !this.disabled) {
+    if (!this._isEditing) {
       this.focus();
     }
   }