[FIX] functions: stop debugging context

Since c2c8991, adding a `?` to debug a formula sets `ctx.debug` to
true, which put a debugger in `computeFunctionToObject`. But
`ctx.debug` was never set to false afterwards, so the whole
evaluation was then filled with debuggers.

closes #8200

Task: 6052128
X-original-commit: ea91dd1
Signed-off-by: Rémi Rahir (rar) <rar@odoo.com>
Signed-off-by: Adrien Minne (adrm) <adrm@odoo.com>

Author: hokolomopo

packages/o-spreadsheet-engine/src/functions/create_compute_function.ts

@@ -80,6 +80,7 @@ export function createComputeFunction(
     if (this.debug) {
       // eslint-disable-next-line no-debugger
       debugger;
+      this.debug = false;
     }
     const result = descr.compute.apply(this, args);