Improve the text appearance in the script editor warnings panel
Improve the text appearance in the script editor warnings panel

- Make the Ignore button's position identical across all warnings
  by moving it to the left.
- Change the Ignore button's text and color to make it more obvious
  that it can be clicked.
- Use the editor font instead of the default project font to match
  the rest of the editor.

(cherry picked from commit 0c0ee427d27f09f8d01cb46bf59e144c1ba30c5e)

ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot,ex/godot