fix that the rightsidebutton will change into another words when you touch tech button in tech tree switching from victorystatus screen. (#1122)

* systemProp

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* fix that researched tech can be picked when we pick a free tech

* update to master

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* Update TechPickerScreen.kt

* delete english selectlanguage becauce menu have two choice, enlarge overview's image icon because it's too small to align.

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* language polish is wrong to be writing "polski"

* 显示教程

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* viewport

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core/src/com/unciv/ui/pickerscreens/TechPickerScreen.kt

@@ -72,7 +72,7 @@ class TechPickerScreen(internal val civInfo: CivilizationInfo, switchfromWorldSc
                     val techButton = TechButton(tech.name,civTech,false)
 
                     techNameToButton[tech.name] = techButton
-                    techButton.onClick { selectTechnology(tech) }
+                    techButton.onClick { selectTechnology(tech, false, switchfromWorldScreen) }
                     topTable.add(techButton)
                 }
             }
@@ -115,10 +115,10 @@ class TechPickerScreen(internal val civInfo: CivilizationInfo, switchfromWorldSc
         // and possibly select it to show description,
         // which is very helpful when just discovered and clicking the notification
         val tech = if (centerOnTech != null) centerOnTech else civInfo.tech.currentTechnology()
-        if (tech != null && switchfromWorldScreen) {
+        if (tech != null) {
             // select only if there it doesn't mess up tempTechsToResearch
             if (civInfo.tech.isResearched(tech.name) || civInfo.tech.techsToResearch.size <= 1)
-                selectTechnology(tech, true)
+                selectTechnology(tech, true, switchfromWorldScreen)
             else centerOnTechnology(tech)
         }