fix(shell): cursor visibility when using interactive mode (#14095)

Co-authored-by: Gal Zahavi <38544478+galz10@users.noreply.github.com>

packages/core/src/services/shellExecutionService.ts

@@ -486,24 +486,14 @@ export class ShellExecutionService {
           if (shellExecutionConfig.showColor) {
             newOutput = serializeTerminalToObject(headlessTerminal);
           } else {
-            const lines: AnsiOutput = [];
-            for (let y = 0; y < headlessTerminal.rows; y++) {
-              const line = buffer.getLine(buffer.viewportY + y);
-              const lineContent = line ? line.translateToString(true) : '';
-              lines.push([
-                {
-                  text: lineContent,
-                  bold: false,
-                  italic: false,
-                  underline: false,
-                  dim: false,
-                  inverse: false,
-                  fg: '',
-                  bg: '',
-                },
-              ]);
-            }
-            newOutput = lines;
+            newOutput = (serializeTerminalToObject(headlessTerminal) || []).map(
+              (line) =>
+                line.map((token) => {
+                  token.fg = '';
+                  token.bg = '';
+                  return token;
+                }),
+            );
           }
 
           let lastNonEmptyLine = -1;