Minor cosmetic touchups to Preferences & Style Configurator UIs

Preferences Dialog - MultiInstance UI:
1. Increased the height of the 1st groupbox by 3 units.
2. Shifted the controls inside it by 4 units.
3. Reduced the height of the 2nd groupbox by 3 units.
4. Shifted the groupbox top and the checkbox only down by 3 units.

Style Configurator Dialog:
5. Added 'BS_CENTER' modifier to "Font Style" & "Colour Style" groupboxes.

Fix #11590, close #11591

PowerEditor/src/WinControls/ColourPicker/WordStyleDlg.rc

@@ -36,8 +36,8 @@ BEGIN
     COMBOBOX        IDC_FONTSIZE_COMBO,442,95,33,82,CBS_DROPDOWNLIST | WS_VSCROLL | WS_TABSTOP
     CONTROL         "Bold",IDC_BOLD_CHECK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,327,88,63,10
     CONTROL         "Italic",IDC_ITALIC_CHECK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,327,100,62,10
-    GROUPBOX        "Font Style",IDC_FONTGROUP_STATIC,311,52,169,77
-    GROUPBOX        "Colour Style",IDC_COLOURGROUP_STATIC,191,52,111,77
+    GROUPBOX        "Font Style",IDC_FONTGROUP_STATIC,311,52,169,77,BS_CENTER
+    GROUPBOX        "Colour Style",IDC_COLOURGROUP_STATIC,191,52,111,77,BS_CENTER
     LTEXT           "Font name :",IDC_FONTNAME_STATIC,315,71,52,8,0,WS_EX_RIGHT
     LTEXT           "Font size :",IDC_FONTSIZE_STATIC,388,97,51,8,0,WS_EX_RIGHT
     LTEXT           "Style :",IDC_STYLEDESC_STATIC,87,34,68,8

PowerEditor/src/WinControls/Preference/preference.rc

@@ -398,13 +398,13 @@ IDD_PREFERENCE_SUB_MULTIINSTANCE DIALOGEX 0, 0, 455, 210
 STYLE DS_SETFONT | DS_FIXEDSYS | DS_CONTROL | WS_CHILD
 FONT 8, "MS Shell Dlg", 0, 0, 0x1
 BEGIN
-    GROUPBOX        "Multi-instance settings",IDC_MULTIINST_GB_STATIC,89,3,268,89,BS_CENTER
-    CONTROL         "Open session in a new instance (and save session automatically on exit)",IDC_SESSIONININST_RADIO,"Button",BS_AUTORADIOBUTTON|BS_MULTILINE,122,10,226,20
-    CONTROL         "Always in multi-instance mode",IDC_MULTIINST_RADIO,"Button",BS_AUTORADIOBUTTON,122,34,218,10
-    CONTROL         "Default (mono-instance)",IDC_MONOINST_RADIO,"Button",BS_AUTORADIOBUTTON,122,51,196,10
-    LTEXT           "* The modification of this setting needs to restart Notepad++",IDD_STATIC_RESTARTNOTE,110,70,239,20
-    GROUPBOX        "Customize insert Date Time",IDC_DATETIMEFORMAT_GB_STATIC,90,97,268,105,BS_CENTER
-    CONTROL         "Reverse default date time order (short && long formats)",IDD_DATETIMEFORMAT_REVERSEORDER_CHECK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,103,113,241,10
+    GROUPBOX        "Multi-instance settings",IDC_MULTIINST_GB_STATIC,89,3,268,92,BS_CENTER
+    CONTROL         "Open session in a new instance (and save session automatically on exit)",IDC_SESSIONININST_RADIO,"Button",BS_AUTORADIOBUTTON|BS_MULTILINE,122,14,226,20
+    CONTROL         "Always in multi-instance mode",IDC_MULTIINST_RADIO,"Button",BS_AUTORADIOBUTTON,122,38,218,10
+    CONTROL         "Default (mono-instance)",IDC_MONOINST_RADIO,"Button",BS_AUTORADIOBUTTON,122,55,196,10
+    LTEXT           "* The modification of this setting needs to restart Notepad++",IDD_STATIC_RESTARTNOTE,110,74,239,20
+    GROUPBOX        "Customize insert Date Time",IDC_DATETIMEFORMAT_GB_STATIC,90,100,268,102,BS_CENTER
+    CONTROL         "Reverse default date time order (short && long formats)",IDD_DATETIMEFORMAT_REVERSEORDER_CHECK,"Button",BS_AUTOCHECKBOX | WS_TABSTOP,103,116,241,10
     RTEXT           "yyyy-MM-dd HH:mm:ss\nH:m d/M/yyyy\nMMM d, yyyy  tt h:m",IDC_STATIC,134,142,77,25
     LTEXT           "1985-10-26 16:24:42\n16:24 26/10/1985\nOct 26, 1985  PM 4:24",IDC_STATIC,234,142,94,25
     RTEXT           "Custom format:",IDD_DATETIMEFORMAT_STATIC,92,172,77,8