3265 - Fix 'Upload Sample Output Data' window

[petrapaz]

Problem:

• The editor seems to have inconsistent click behavior - it works when there's example code but becomes unresponsive when you try to type after clearing the content.

Solution:

• Fix the click issue in the JSON editor by making the placeholder overlay non-interactive
  --> The issue is that the placeholder div is positioned absolutely over the Monaco editor and is blocking mouse clicks. When there's content in the editor, the placeholder is hidden (display: none), but when the editor is empty, the placeholder is shown (display: block) and it's intercepting all mouse clicks.
  The solution is to make the placeholder div non-interactive by adding pointer-events: none to its CSS.
  --> add tailwind class: pointer-events-none
• Test the editor behavior to ensure clicks work properly in multiple scenarios
  screen-capture (5).webm

Fixes #3265

[sonarqubecloud]

Quality Gate failed for 'client'

Failed conditions
0.0% Coverage on New Code (required ≥ 80%)

See analysis details on SonarQube Cloud