fix: unify the casing of hookArgs.prepareData.platform from prepare and run commands

Rel to: #4963

Author: Fatme

lib/services/prepare-data-service.ts

@@ -4,10 +4,12 @@ export class PrepareDataService implements IPrepareDataService {
 	constructor(private $mobileHelper: Mobile.IMobileHelper) { }
 
 	public getPrepareData(projectDir: string, platform: string, data: any) {
+		const platformLowerCase = platform.toLowerCase();
+
 		if (this.$mobileHelper.isiOSPlatform(platform)) {
-			return new IOSPrepareData(projectDir, platform, data);
+			return new IOSPrepareData(projectDir, platformLowerCase, data);
 		} else if (this.$mobileHelper.isAndroidPlatform(platform)) {
-			return new AndroidPrepareData(projectDir, platform, data);
+			return new AndroidPrepareData(projectDir, platformLowerCase, data);
 		}
 	}
 }