[MIRROR] Input ports now connect to multiple output ports. Remove combiner. (#7505)

* Input ports now connect to multiple output ports. Remove combiner. (#60494)

* tgui bsod

* debug disconnections

* prelim

* recomment

* set_value -> put ._.

* DAMN IT

* reinsert subsystem

* prepare

* unditch signals

* remove combiner

* remove combiner some more

* how did router.dm get here? deleting.

* These two COMSIGS should be one.

* critical typo

* inline cast

* have your signals

* Have your set_input & set_output.

* make compile

* upgrade save/load to n-to-n-wires

* have your documentation

* have your unsafe proc

* pay no attention to the compile errors

* unlist the ref

* paste my for block back in ._.

* fix manual input

* oops pushed too soon

* Have your !port.connected_to?.length

Co-authored-by: Watermelon914 <37270891+Watermelon914@ users.noreply.github.com>

Co-authored-by: Watermelon914 <37270891+Watermelon914@ users.noreply.github.com>

* Input ports now connect to multiple output ports. Remove combiner.

Co-authored-by: Gurkenglas <gurkenglas@hotmail.de>
Co-authored-by: Watermelon914 <37270891+Watermelon914@ users.noreply.github.com>

code/modules/wiremod/components/string/concat.dm

@@ -32,7 +32,7 @@
 	ports -= trigger_input
 
 	for(var/datum/port/input/input_port as anything in ports)
-		var/value = input_port.input_value
+		var/value = input_port.value
 		if(isnull(value))
 			continue