Revert "Inject WAKEUP instead of POWER"

WAKEUP does not work on some devices.

Fixes #1655 <https://github.com/Genymobile/scrcpy/issues/1655>

This reverts commit 322f1512ea.

server/src/main/java/com/genymobile/scrcpy/Device.java

@@ -223,7 +223,7 @@ public final class Device {
         }
 
         String currentClipboard = getClipboardText();
-        if (currentClipboard != null && currentClipboard.equals(text)) {
+        if (currentClipboard == null || currentClipboard.equals(text)) {
             // The clipboard already contains the requested text.
             // Since pasting text from the computer involves setting the device clipboard, it could be set twice on a copy-paste. This would cause
             // the clipboard listeners to be notified twice, and that would flood the Android keyboard clipboard history. To workaround this