Move function to CoreTerminal, add additional argument to specify if the input was user input or not.

src/browser/TestUtils.test.ts

@@ -72,7 +72,7 @@ export class MockTerminal implements ITerminal {
   public focus(): void {
     throw new Error('Method not implemented.');
   }
-  public input(data: string): void {
+  public input(data: string, wasUserInput: boolean = true): void {
     throw new Error('Method not implemented.');
   }
   public resize(columns: number, rows: number): void {