add some missing dialog titles

Author: jef-n

src/ui/qgsattributetypeedit.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Attribute Edit Dialog</string>
+   <string>Edit Widget Properties</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="6" column="1">

src/ui/qgsdecorationgriddialog.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Grid properties</string>
   </property>
   <layout class="QVBoxLayout" name="verticalLayout">
    <property name="sizeConstraint">

src/ui/qgsrelationadddlgbase.ui

@@ -7,11 +7,11 @@
     <x>0</x>
     <y>0</y>
     <width>581</width>
-    <height>254</height>
+    <height>259</height>
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Add relation</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="4" column="1" colspan="2">
@@ -79,8 +79,7 @@
     </widget>
    </item>
    <item row="8" column="1">
-    <widget class="QLineEdit" name="mTxtRelationId">
-    </widget>
+    <widget class="QLineEdit" name="mTxtRelationId"/>
    </item>
    <item row="1" column="1">
     <widget class="QLineEdit" name="mTxtRelationName"/>

src/ui/qgswmtsdimensionsbase.ui

@@ -11,7 +11,7 @@
    </rect>
   </property>
   <property name="windowTitle">
-   <string>Dialog</string>
+   <string>Select dimensions</string>
   </property>
   <layout class="QGridLayout" name="gridLayout">
    <item row="0" column="0">