pfSense

Fixed it so it will validate that it is an image uploaded and not something else

Detect when system is running a newer version than the one available on remote repository

fixed indentation:

fixed weird merge issue

Fixed #7714 Edited it to show correct timezone

(cherry picked from commit fe814d92aae5c53305d484480fa403299a39541a)

Do not show Serial when it's empty

Helped make the ajax more robust to check for non json return types

Revert "Added JSON checks for widgets to prevent parsing errors."

This reverts commit e63aee854214c93fd0cba71f7023c194942c1ca9.

Added JSON checks for widgets to prevent parsing errors.

(cherry picked from commit 63f686bde3e95eed8d2223d00e5f6403a5ef2d4c)

Fixed #7896
2.3 is slightly different than 2.4 with different variables so this
fix is different than the 2.4 version.