Conduit gui 1.12.2 backport (#74)

* Update EnderCore

* Backport BaseSettingsPanel

* Add the 1.12.2 gui textures

* First pass ItemSettings GUI

* Item conduit&filter gui

* Fix broken texture height on other panels

* Improved fluid conduit gui

* Make sure inventory slots are hidden by default on conduit guis

* Clear ghost slots on tab changes

* Update EnderCore version

.editorconfig

@@ -20,4 +20,7 @@ indent_size = 2
 
 [*.java]
 indent_size = 2
-ij_java_space_before_if_parentheses = false
+ij_java_space_before_if_parentheses = false
+
+[*.lang]
+trim_trailing_whitespace = false