[PD] Hole initialization bugfix

- by default there is no hole head cut and therefore its parameter must be initialized as read-only (will be enably when user sets a head cut)

- also fix a typo

- also fix a UI file issue (automatically done by Qt Designer)

src/Mod/PartDesign/App/FeatureHole.cpp

@@ -665,13 +665,17 @@ Hole::Hole()
     HoleCutType.setEnums(HoleCutType_None_Enums);
 
     ADD_PROPERTY_TYPE(HoleCutCustomValues, (false), "Hole", App::Prop_None, "Custom cut values");
+    HoleCutCustomValues.setReadOnly(true);
 
     ADD_PROPERTY_TYPE(HoleCutDiameter, (0.0), "Hole", App::Prop_None, "Head cut diameter");
+    HoleCutDiameter.setReadOnly(true);
 
-    ADD_PROPERTY_TYPE(HoleCutDepth, (0.0), "Hole", App::Prop_None, "Head cut deth");
+    ADD_PROPERTY_TYPE(HoleCutDepth, (0.0), "Hole", App::Prop_None, "Head cut depth");
+    HoleCutDepth.setReadOnly(true);
 
     ADD_PROPERTY_TYPE(HoleCutCountersinkAngle, (90.0), "Hole", App::Prop_None, "Head cut countersink angle");
     HoleCutCountersinkAngle.setConstraints(&floatAngle);
+    HoleCutCountersinkAngle.setReadOnly(true);
 
     ADD_PROPERTY_TYPE(DepthType, (0L), "Hole", App::Prop_None, "Type");
     DepthType.setEnums(DepthTypeEnums);

src/Mod/PartDesign/Gui/TaskHoleParameters.ui

@@ -6,7 +6,7 @@
    <rect>
     <x>0</x>
     <y>0</y>
-    <width>355</width>
+    <width>438</width>
     <height>561</height>
    </rect>
   </property>