refactor(common): ensure compatibility with noImplicitOverride (#42512)

Adds the `override` keyword to the `common` sources to ensure
compatibility with `noImplicitOverride`.

PR Close #42512

packages/common/src/location/hash_location_strategy.ts

@@ -99,7 +99,7 @@ export class HashLocationStrategy extends LocationStrategy implements OnDestroy
     this._platformLocation.back();
   }
 
-  historyGo(relativePosition: number = 0): void {
+  override historyGo(relativePosition: number = 0): void {
     this._platformLocation.historyGo?.(relativePosition);
   }
 }

packages/common/src/location/location_strategy.ts

@@ -173,7 +173,7 @@ export class PathLocationStrategy extends LocationStrategy implements OnDestroy
     this._platformLocation.back();
   }
 
-  historyGo(relativePosition: number = 0): void {
+  override historyGo(relativePosition: number = 0): void {
     this._platformLocation.historyGo?.(relativePosition);
   }
 }

packages/common/src/location/platform_location.ts

@@ -193,7 +193,7 @@ export class BrowserPlatformLocation extends PlatformLocation {
     this._history.back();
   }
 
-  historyGo(relativePosition: number = 0): void {
+  override historyGo(relativePosition: number = 0): void {
     this._history.go(relativePosition);
   }