UI: Localize LED color & hide it until it's functional

Also moved IgnoreApplet to the System config section object.

src/Ryujinx/Assets/locales.json

@@ -7622,6 +7622,31 @@
         "zh_TW": "陀螺儀無感帶:"
       }
     },
+    {
+      "ID": "ControllerSettingsLedColor",
+      "Translations": {
+        "ar_SA": "",
+        "de_DE": "",
+        "el_GR": "",
+        "en_US": "Custom LED",
+        "es_ES": "",
+        "fr_FR": "",
+        "he_IL": "",
+        "it_IT": "",
+        "ja_JP": "",
+        "ko_KR": "",
+        "no_NO": "",
+        "pl_PL": "",
+        "pt_BR": "",
+        "ru_RU": "",
+        "sv_SE": "",
+        "th_TH": "",
+        "tr_TR": "",
+        "uk_UA": "",
+        "zh_CN": "",
+        "zh_TW": ""
+      }
+    },
     {
       "ID": "ControllerSettingsSave",
       "Translations": {
@@ -22973,4 +22998,4 @@
       }
     }
   ]
-}
+}