Ensure forceNewSession overload gets picked first (microsoft#138685) (microsoft#138782)

Co-authored-by: Joyce Er <[email protected]>

Author: TylerLeonhardt

src/vscode-dts/vscode.d.ts

@@ -14079,9 +14079,9 @@ declare module 'vscode' {
 		 * @param providerId The id of the provider to use
 		 * @param scopes A list of scopes representing the permissions requested. These are dependent on the authentication provider
 		 * @param options The {@link AuthenticationGetSessionOptions} to use
-		 * @returns A thenable that resolves to an authentication session if available, or undefined if there are no sessions
+		 * @returns A thenable that resolves to an authentication session
 		 */
-		export function getSession(providerId: string, scopes: readonly string[], options?: AuthenticationGetSessionOptions): Thenable<AuthenticationSession | undefined>;
+		export function getSession(providerId: string, scopes: readonly string[], options: AuthenticationGetSessionOptions & { forceNewSession: true | { detail: string } }): Thenable<AuthenticationSession>;
 
 		/**
 		 * Get an authentication session matching the desired scopes. Rejects if a provider with providerId is not
@@ -14094,9 +14094,9 @@ declare module 'vscode' {
 		 * @param providerId The id of the provider to use
 		 * @param scopes A list of scopes representing the permissions requested. These are dependent on the authentication provider
 		 * @param options The {@link AuthenticationGetSessionOptions} to use
-		 * @returns A thenable that resolves to an authentication session
+		 * @returns A thenable that resolves to an authentication session if available, or undefined if there are no sessions
 		 */
-		export function getSession(providerId: string, scopes: readonly string[], options: AuthenticationGetSessionOptions & { forceNewSession: true | { detail: string } }): Thenable<AuthenticationSession>;
+		export function getSession(providerId: string, scopes: readonly string[], options?: AuthenticationGetSessionOptions): Thenable<AuthenticationSession | undefined>;
 
 		/**
 		 * An {@link Event} which fires when the authentication sessions of an authentication provider have