fix(preferences): invalid icon for 'Tab size' preference

app/src/main/java/com/itsaky/androidide/preferences/editor.kt

@@ -169,7 +169,7 @@ private class TabSize(
   override val key: String = TAB_SIZE,
   override val title: Int = string.title_tab_size,
   override val summary: Int? = string.msg_tab_size,
-  override val icon: Int? = drawable.ic_font_ligatures,
+  override val icon: Int? = drawable.ic_tab,
 ) : SingleChoicePreference() {
 
   @IgnoredOnParcel

resources/src/main/res/drawable/ic_tab.xml

@@ -0,0 +1,26 @@
+<?xml version="1.0" encoding="utf-8"?><!--
+  ~  This file is part of AndroidIDE.
+  ~
+  ~  AndroidIDE is free software: you can redistribute it and/or modify
+  ~  it under the terms of the GNU General Public License as published by
+  ~  the Free Software Foundation, either version 3 of the License, or
+  ~  (at your option) any later version.
+  ~
+  ~  AndroidIDE is distributed in the hope that it will be useful,
+  ~  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  ~  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  ~  GNU General Public License for more details.
+  ~
+  ~  You should have received a copy of the GNU General Public License
+  ~   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
+  -->
+
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+  android:height="24dp"
+  android:viewportHeight="24"
+  android:viewportWidth="24"
+  android:width="24dp">
+  <path
+    android:fillColor="#000000"
+    android:pathData="M20,18H22V6H20M11.59,7.41L15.17,11H1V13H15.17L11.59,16.58L13,18L19,12L13,6L11.59,7.41Z" />
+</vector>