refactor(sound):amendment translation copywriting

电池过放后接电源，OS下电池图标显示“电量0%...” 修正翻译文案 task:21671

(cherry picked from commit 0b22d1466975f4652cae4d8a7305c6cb3c6027fe)

plugins/power/powerplugin.cpp

@@ -234,8 +234,8 @@ void PowerPlugin::refreshTipsData()
         uint hour = time.toString("hh").toUInt();
         uint min = time.toString("mm").toUInt();
         QString tips;
-        if (timeToFull == 0) {
-            tips = tr("Charging %1 ....").arg(value);
+        if(timeToFull == 0) {   // 电量已充満或电量计算中,剩余充满时间会返回0
+            tips = tr("Capacity %1 ....").arg(value);
         } else if (hour == 0) {
             tips = tr("Charging %1, %2 min until full").arg(value).arg(min);
         } else {

translations/dde-dock.ts

@@ -221,6 +221,10 @@
         <source>Charged</source>
         <translation>Charged</translation>
     </message>
+    <message>
+        <source>Capacity %1 ....</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>ShowDesktopPlugin</name>