Reword current image limits to reduce confusion

app/src/main/res/values-zh-rCN/strings.xml

@@ -450,7 +450,7 @@
     <string name="insufficient_funds">余额不足</string>
     <string name="image_limits">图片配额</string>
     <string name="image_limits_summary">%1$d / %2$d（点击刷新）</string>
-    <string name="current_limits">当前：%1$s\n重置花费：%2$d GP</string>
+    <string name="current_limits">已用：%1$s\n重置花费：%2$d GP</string>
     <string name="reset_limits_succeed">成功重置图片配额</string>
     <string name="reset">重置</string>
     <string name="settings_privacy">隐私</string>

app/src/main/res/values-zh-rTW/strings.xml

@@ -445,7 +445,7 @@
     <string name="insufficient_funds">餘額不足</string>
     <string name="image_limits">圖片配額</string>
     <string name="image_limits_summary">%1$d / %2$d（點擊以重新整理）</string>
-    <string name="current_limits">目前：%1$s\n重置花費：%2$d GP</string>
+    <string name="current_limits">已用：%1$s\n重置花費：%2$d GP</string>
     <string name="reset_limits_succeed">成功重置圖片配額</string>
     <string name="reset">重置</string>
     <string name="settings_privacy">隱私</string>

app/src/main/res/values/strings.xml

@@ -515,7 +515,7 @@
     <string name="insufficient_funds">Insufficient Funds</string>
     <string name="image_limits">Image Limits</string>
     <string name="image_limits_summary">%1$d / %2$d (Click to refresh)</string>
-    <string name="current_limits">Current: %1$s\nReset Cost: %2$d GP</string>
+    <string name="current_limits">Used: %1$s\nReset Cost: %2$d GP</string>
     <string name="reset_limits_succeed">Image limit was successfully reset</string>
     <string name="reset">Reset</string>
     <string name="settings_privacy">Privacy</string>