tdf#124155 fix slider for border and angle in gradient tab page

This is the consequence of the previous change, where the sliders
didn't respond to input when welded.

Change-Id: Ifec7fd913435a6ec51b93872c7a40d6815807397
Reviewed-on: https://gerrit.libreoffice.org/70198
Tested-by: Jenkins
Reviewed-by: Tomaž Vajngerl <quikee@gmail.com>
diff --git a/cui/source/tabpages/tpgradnt.cxx b/cui/source/tabpages/tpgradnt.cxx
index 529ce2e..a8b505a 100644
--- a/cui/source/tabpages/tpgradnt.cxx
+++ b/cui/source/tabpages/tpgradnt.cxx
@@ -589,6 +589,7 @@
            m_xMtrCenterY->set_sensitive(false);
            m_xFtAngle->set_sensitive(true);
            m_xMtrAngle->set_sensitive(true);
            m_xSliderAngle->set_sensitive(true);
            break;

        case css::awt::GradientStyle_RADIAL:
@@ -597,6 +598,7 @@
            m_xMtrCenterY->set_sensitive(true);
            m_xFtAngle->set_sensitive(false);
            m_xMtrAngle->set_sensitive(false);
            m_xSliderAngle->set_sensitive(false);
            break;

        case css::awt::GradientStyle_ELLIPTICAL:
@@ -605,6 +607,7 @@
            m_xMtrCenterY->set_sensitive(true);
            m_xFtAngle->set_sensitive(true);
            m_xMtrAngle->set_sensitive(true);
            m_xSliderAngle->set_sensitive(true);
            break;

        case css::awt::GradientStyle_SQUARE:
@@ -614,6 +617,7 @@
            m_xMtrCenterY->set_sensitive(true);
            m_xFtAngle->set_sensitive(true);
            m_xMtrAngle->set_sensitive(true);
            m_xSliderAngle->set_sensitive(true);
            break;
        default:
            break;
diff --git a/cui/uiconfig/ui/gradientpage.ui b/cui/uiconfig/ui/gradientpage.ui
index a3b3d75..ba34727 100644
--- a/cui/uiconfig/ui/gradientpage.ui
+++ b/cui/uiconfig/ui/gradientpage.ui
@@ -25,6 +25,11 @@
    <property name="upper">359</property>
    <property name="step_increment">15</property>
  </object>
  <object class="GtkAdjustment" id="angleadjustmentslider">
    <property name="upper">359</property>
    <property name="step_increment">15</property>
    <property name="page_increment">15</property>
  </object>
  <object class="GtkAdjustment" id="percentadjustment">
    <property name="upper">100</property>
    <property name="step_increment">5</property>
@@ -384,7 +389,6 @@
                        <property name="can_focus">True</property>
                        <property name="hexpand">True</property>
                        <property name="adjustment">adjustment3</property>
                        <property name="fill_level">0</property>
                        <property name="round_digits">1</property>
                        <property name="draw_value">False</property>
                      </object>
@@ -521,8 +525,7 @@
                        <property name="visible">True</property>
                        <property name="can_focus">True</property>
                        <property name="hexpand">True</property>
                        <property name="adjustment">angleadjustment</property>
                        <property name="fill_level">0</property>
                        <property name="adjustment">angleadjustmentslider</property>
                        <property name="draw_value">False</property>
                      </object>
                      <packing>