Fix variable order and translate testmod

src/main/resources/assets/spruceui/lang/en_ud.json

@@ -1,9 +1,9 @@
 {
  "spruceui.reset": "ʇesǝᴚ",
  "spruceui.gui.unbind": "dnᴉbn∩",
- "spruceui.narrator.separator": "roʇaɹɐdǝs %s",
- "spruceui.narration.toggle_switch": "%s etɐts htiw ,%s :ɥɔʇᴉʍS ǝןgᵷo⟘",
- "spruceui.options.generic": "%s :%s",
+ "spruceui.narrator.separator": "roʇaɹɐdǝs %1$s",
+ "spruceui.narration.toggle_switch": "%2$s etɐts htiw ,%1$s :ɥɔʇᴉʍS ǝןgᵷo⟘",
+ "spruceui.options.generic": "%2$s :%1$s",
  "spruceui.options.generic.fancy": "ʎɔnɐℲ",
  "spruceui.options.generic.fast": "ʇsɐℲ",
  "spruceui.options.generic.fastest": "tsǝʇsɐℲ",

src/testmod/resources/assets/spruceui_test/lang/en_ud.json

@@ -0,0 +1,12 @@
+{
+ "spruceui_test.option.action": "noitpO noiʇɔⱯ ǝןdɯᴉS",
+ "spruceui_test.option.boolean": "noᴉʇdO nɐǝןooᗺ",
+ "spruceui_test.option.checkbox": "noᴉʇdO xobʞɔǝɥƆ",
+ "spruceui_test.option.cycling": "noiʇdO ᵷnᴉןɔʎƆ",
+ "spruceui_test.option.double": "uoᴉʇdO ǝןbnoᗡ",
+ "spruceui_test.option.double_input": "noᴉtpO ʇuduI ǝןbnoᗡ",
+ "spruceui_test.option.float_input": "noᴉtpO tudnI ʇɐoןℲ",
+ "spruceui_test.option.int_input": "noᴉtpO tudnI ɹeᵷǝʇnI",
+ "spruceui_test.option.separator": "roʇaɹɐdǝS",
+ "spruceui_test.option.toggle_switch": "noitdO ɥɔʇᴉʍS ǝןgᵷo⟘"
+}