Fix imageclipboard saveImage().

imports/Spectral/Panel/RoomPanel.qml

@@ -125,7 +125,7 @@ Item {
                 background: RippleEffect {
                     onClicked: {
                         var localPath = StandardPaths.writableLocation(StandardPaths.CacheLocation) + "/screenshots/" + (new Date()).getTime() + ".png"
-                        imageClipboard.saveImage(localPath)
+                         if (!imageClipboard.saveImage(localPath)) return
                         roomPanelInput.attach(localPath)
                         attachDialog.close()
                     }

imports/Spectral/Panel/RoomPanelInput.qml

@@ -301,7 +301,7 @@ Control {
                 Keys.onReturnPressed: {
                     if (event.modifiers & Qt.ShiftModifier) {
                         insert(cursorPosition, "\n")
-                    } else if (text) {
+                    } else {
                         postMessage(text)
                         text = ""
                         closeAll()
@@ -353,7 +353,6 @@ Control {
                 }
 
                 function postMessage(text) {
-                    if (text.trim().length === 0) { return }
                     if(!currentRoom) { return }
 
                     if (hasAttachment) {
@@ -362,6 +361,8 @@ Control {
                         return
                     }
 
+                    if (text.trim().length === 0) { return }
+
                     var PREFIX_ME = '/me '
                     var PREFIX_NOTICE = '/notice '
                     var PREFIX_RAINBOW = '/rainbow '