settings: various consistency issues fixed

part of #725

quickshell/Modals/Settings/ProfileSection.qml

@@ -139,7 +139,7 @@ Rectangle {
             }
 
             StyledText {
-                text: DgopService.distribution || "Linux"
+                text: UserInfoService.hostname || "Linux"
                 font.pixelSize: Theme.fontSizeMedium
                 color: Theme.surfaceVariantText
                 elide: Text.ElideRight

quickshell/Modals/Settings/SettingsContent.qml

@@ -12,9 +12,9 @@ FocusScope {
 
     Rectangle {
         anchors.fill: parent
-        anchors.leftMargin: 0
-        anchors.rightMargin: Theme.spacingS
-        anchors.bottomMargin: Theme.spacingM
+        anchors.leftMargin: Theme.spacingS
+        anchors.rightMargin: 0
+        anchors.bottomMargin: 0
         anchors.topMargin: 0
         color: "transparent"
 

quickshell/Modals/Settings/SettingsSidebar.qml

@@ -66,7 +66,7 @@ Rectangle {
         Column {
             id: sidebarColumn
 
-            width: parent.width
+            anchors.fill: parent
             anchors.leftMargin: Theme.spacingS
             anchors.rightMargin: Theme.spacingS
             anchors.bottomMargin: Theme.spacingS
@@ -100,7 +100,7 @@ Rectangle {
 
                     property bool isActive: sidebarContainer.currentIndex === index
 
-                    width: sidebarColumn.width - Theme.spacingS * 2
+                    width: parent.width
                     height: 44
                     radius: Theme.cornerRadius
                     color: isActive ? Theme.primary : tabMouseArea.containsMouse ? Theme.surfaceHover : "transparent"