[PD] fix alignment in pocket dialog

just a minor UI issue: when you decrease the width of the pocket dialog (e.g. because you have a small screen), the alignment of the widgets is lost. This PR fixes this by grouping the widgets in a grid.

src/Mod/PartDesign/Gui/TaskPocketParameters.ui

@@ -6,8 +6,8 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>241</width>
-    <height>233</height>
+    <width>193</width>
+    <height>272</height>
    </rect>
   </property>
   <property name="windowTitle">
@@ -15,15 +15,15 @@
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <item>
-    <layout class="QHBoxLayout" name="horizontalLayout">
-     <item>
+    <layout class="QGridLayout" name="gridLayout">
+     <item row="0" column="0">
       <widget class="QLabel" name="textLabel1">
        <property name="text">
         <string>Type</string>
        </property>
       </widget>
      </item>
-     <item>
+     <item row="0" column="1">
       <widget class="QComboBox" name="changeMode">
        <item>
         <property name="text">
@@ -32,18 +32,14 @@
        </item>
       </widget>
      </item>
-    </layout>
-   </item>
-   <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_2">
-     <item>
+     <item row="1" column="0">
       <widget class="QLabel" name="labelLength">
        <property name="text">
         <string>Length</string>
        </property>
       </widget>
      </item>
-     <item>
+     <item row="1" column="1">
       <widget class="Gui::PrefQuantitySpinBox" name="lengthEdit">
        <property name="keyboardTracking">
         <bool>false</bool>
@@ -53,18 +49,14 @@
        </property>
       </widget>
      </item>
-    </layout>
-   </item>
-   <item>
-    <layout class="QHBoxLayout" name="horizontalLayout_5">
-     <item>
+     <item row="2" column="0">
       <widget class="QLabel" name="labelOffset">
        <property name="text">
         <string>Offset</string>
        </property>
       </widget>
      </item>
-     <item>
+     <item row="2" column="1">
       <widget class="Gui::PrefQuantitySpinBox" name="offsetEdit">
        <property name="keyboardTracking">
         <bool>false</bool>
@@ -153,6 +145,17 @@
    <header>Gui/PrefWidgets.h</header>
   </customwidget>
  </customwidgets>
+ <tabstops>
+  <tabstop>changeMode</tabstop>
+  <tabstop>lengthEdit</tabstop>
+  <tabstop>offsetEdit</tabstop>
+  <tabstop>checkBoxMidplane</tabstop>
+  <tabstop>checkBoxReversed</tabstop>
+  <tabstop>lengthEdit2</tabstop>
+  <tabstop>buttonFace</tabstop>
+  <tabstop>lineFaceName</tabstop>
+  <tabstop>checkBoxUpdateView</tabstop>
+ </tabstops>
  <resources/>
  <connections/>
 </ui>