Removes redundant 'source' query parameters

Cleans up GitKraken-related URLs by removing the `source=gitlens` query
parameter from authentication, referral, and subscription management
flows. This parameter is substituted by `getGkDevUrl()` automatically.

(#4905, #4934)

Author: sergeibbb

src/plus/gk/authenticationConnection.ts

@@ -63,12 +63,7 @@ export class AuthenticationConnection implements Disposable {
 	}
 
 	@debug()
-	async login(
-		scopes: string[],
-		scopeKey: string,
-		signUp: boolean = false,
-		context?: TrackingContext,
-	): Promise<string> {
+	async login(scopeKey: string, signUp: boolean = false, context?: TrackingContext): Promise<string> {
 		const scope = getLogScope();
 
 		this.updateStatusBarItem(true);
@@ -84,7 +79,7 @@ export class AuthenticationConnection implements Disposable {
 
 		const url = await this.container.urls.getGkDevUrl(
 			signUp ? 'register' : 'login',
-			`${scopes.includes('gitlens') ? 'source=gitlens&' : ''}${
+			`${
 				context != null ? `context=${context}&` : ''
 			}state=${encodeURIComponent(gkstate)}&redirect_uri=${encodeURIComponent(callbackUri.toString(true))}`,
 		);

src/plus/gk/authenticationProvider.ts

@@ -99,7 +99,7 @@ export class AccountAuthenticationProvider implements AuthenticationProvider, Di
 			const token =
 				options?.signIn != null
 					? await this._authConnection.getTokenFromCodeAndState(options.signIn.code, options.signIn.state)
-					: await this._authConnection.login(scopes, scopesKey, options?.signUp, options?.context);
+					: await this._authConnection.login(scopesKey, options?.signUp, options?.context);
 			const session = await this.createSessionForToken(token, scopes);
 
 			const sessions = await this._sessionsPromise;

src/plus/gk/subscriptionService.ts

@@ -735,7 +735,7 @@ export class SubscriptionService implements Disposable {
 			this.container.telemetry.sendEvent('subscription/action', { action: 'refer-friend' }, source);
 		}
 
-		await openUrl(await this.container.urls.getGkDevUrl(undefined, 'referral_portal=true&source=gitlens'));
+		await openUrl(await this.container.urls.getGkDevUrl(undefined, 'referral_portal=true'));
 	}
 
 	@gate(() => '')
@@ -874,7 +874,6 @@ export class SubscriptionService implements Disposable {
 		}
 
 		const query = new URLSearchParams();
-		query.set('source', 'gitlens');
 		query.set('product', 'gitlens');
 		query.set('planType', getSubscriptionPlanType(plan));
 
@@ -1679,7 +1678,6 @@ export class SubscriptionService implements Disposable {
 		const hasAccount = this._session != null;
 
 		const query = new URLSearchParams();
-		query.set('source', 'gitlens');
 		query.set('product', 'gitlens');
 
 		try {