Enable/disable Install button correctly

scenes/Catapult.tscn

@@ -615,7 +615,8 @@ margin_top = 140.0
 margin_right = 769.0
 margin_bottom = 169.0
 hint_tooltip = "Shows the Debug tab with some testing functions
-and enables debug messages in the status  pane (useful for troubleshooting)."
+and enables debug messages in the status  pane
+(useful for troubleshooting)."
 text = "Debug mode"
 
 [node name="NumReleases" type="HBoxContainer" parent="Main/Tabs/Settings"]
@@ -896,6 +897,7 @@ __meta__ = {
 }
 
 [connection signal="meta_clicked" from="Main/GameInfo/Description" to="." method="_on_Description_meta_clicked"]
+[connection signal="tab_changed" from="Main/Tabs" to="." method="_on_Tabs_tab_changed"]
 [connection signal="tab_changed" from="Main/Tabs" to="Main/Tabs/Mods" method="_on_Tabs_tab_changed"]
 [connection signal="tab_changed" from="Main/Tabs" to="Main/Tabs/Soundpacks" method="_on_Tabs_tab_changed"]
 [connection signal="item_selected" from="Main/Tabs/Game/Builds/BuildsList" to="." method="_on_BuildsList_item_selected"]

scripts/Catapult.gd

@@ -153,6 +153,11 @@ func _is_selected_game_installed() -> bool:
 	return (game in info)
 
 
+func _on_Tabs_tab_changed(tab: int) -> void:
+
+	_refresh_currently_installed()
+
+
 func _on_GamesList_item_selected(index: int) -> void:
 
 	match index:
@@ -193,6 +198,7 @@ func _on_Releases_done_fetching_releases() -> void:
 
 	_smart_reenable_controls("disable_while_fetching_releases")
 	reload_builds_list()
+	_refresh_currently_installed()
 
 
 func _on_ReleaseInstaller_installation_started() -> void:
@@ -361,7 +367,8 @@ func _refresh_currently_installed() -> void:
 		btn_install.text = "Update to Selected"
 		btn_play.disabled = false
 		if (list.selected != -1) and (list.selected < len(releases)):
-			btn_install.disabled = (releases[list.selected]["name"] == info[game]["name"])
+				if not _settings.read("update_to_same_build_allowed"):
+					btn_install.disabled = (releases[list.selected]["name"] == info[game]["name"])
 		else:
 			btn_install.disabled = true