Fix some input field issue.

imports/Spectral/Panel/RoomListDelegate.qml

@@ -21,11 +21,11 @@ Rectangle {
             roomContextMenu.popup()
         }
         onPrimaryClicked: {
+            listView.currentIndex = index
             if (category === RoomType.Invited) {
                 inviteDialog.currentRoom = currentRoom
                 inviteDialog.open()
             } else {
-                listView.currentIndex = index
                 enteredRoom = currentRoom
             }
         }

imports/Spectral/Panel/RoomPanelForm.ui.qml

@@ -274,6 +274,9 @@ Item {
 
             RoomPanelInput {
                 anchors.verticalCenter: parent.top
+
+                id: roomPanelInput
+
                 width: parent.width
                 height: 48
             }

imports/Spectral/Panel/RoomPanelInput.qml

@@ -189,4 +189,12 @@ Rectangle {
             }
         }
     }
+
+    function insert(str) {
+        inputField.insert(inputField.cursorPosition, str)
+    }
+
+    function clear() {
+        inputField.clear()
+    }
 }