misc: cleanup some warnings

Change-Id: I33776abf89b5aced6006e517a5878baf0a40cc8e

src/app/commoncomponents/EditableLineEdit.qml

@@ -53,7 +53,7 @@ Item {
     property alias verticalAlignment: lineEdit.verticalAlignment
     property alias horizontalAlignment: lineEdit.horizontalAlignment
     property alias font: lineEdit.font
-    property var placeholderText
+    property var placeholderText: ""
     property alias placeholderTextColor: lineEdit.placeholderTextColor
     property alias backgroundColor: lineEdit.backgroundColor
     property var editIconColor: "transparent"

src/app/commoncomponents/UsernameLineEdit.qml

@@ -25,8 +25,7 @@ import net.jami.Constants 1.1
 EditableLineEdit {
     id: root
 
-    placeholderText: isRendezVous ? JamiStrings.chooseAName :
-                                    JamiStrings.chooseYourUserName
+    placeholderText: JamiStrings.chooseYourUserName
 
     firstIco: readOnly? "" : JamiResources.person_24dp_svg
     firstIcoColor: "#03B9E9"

src/app/mainview/components/ContactPickerItemDelegate.qml

@@ -81,6 +81,7 @@ ItemDelegate {
 
             color: JamiTheme.textColor
             text: textMetricsContactPickerContactName.elidedText
+            textFormat: TextEdit.PlainText
             font.pointSize: JamiTheme.textFontSize
         }
 
@@ -102,6 +103,7 @@ ItemDelegate {
             }
 
             text: textMetricsContactPickerContactId.elidedText
+            textFormat: TextEdit.PlainText
             font.pointSize: JamiTheme.textFontSize
         }
     }

src/app/mainview/components/WelcomePage.qml

@@ -157,7 +157,7 @@ Rectangle {
 
                     Flow {
                         id: flow
-                        spacing: 12
+                        spacing: 13
 
                         Repeater {
                             model: TipsModel

src/app/wizardview/components/CreateAccountPage.qml

@@ -134,6 +134,8 @@ Rectangle {
                     Layout.topMargin: 15
                     Layout.alignment: Qt.AlignHCenter
                     Layout.preferredWidth: Math.min(440, root.width - JamiTheme.preferredMarginSize * 2)
+                    placeholderText: isRendezVous ? JamiStrings.chooseAName :
+                                    JamiStrings.chooseYourUserName
 
                     focus: visible
                     fontSize: 18