Add the trickle income to the summary

[Langbart]

Description

• Some buildings (e.g. Wonders) give a bit of resources per second, the total number of resources earned this way should be shown in the summary, or even broken down by resource type.
• This request was created after investigating a difference between resources used/ gathered, see #6678 (10/Jan/23).

Possible solution

• Adding a column to the resource section

Related ticket

• #6684 (12/Jan/23)