Add power icons for room members

src/icons/thin/user-power-100.svg

@@ -0,0 +1,3 @@
+<svg height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
+    <path d="m3 16-3-10 7.104 4 4.896-8 4.896 8 7.104-4-3 10zm0 2v4h18v-4z"/>
+</svg>

src/icons/thin/user-power-50.svg

@@ -0,0 +1,3 @@
+<svg height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
+    <path d="m12 .587 3.668 7.568 8.332 1.151-6.064 5.828 1.48 8.279-7.416-3.967-7.417 3.967 1.481-8.279-6.064-5.828 8.332-1.151z"/>
+</svg>

src/qml/Base/HUserAvatar.qml

@@ -6,4 +6,36 @@ HAvatar {
 
     property string userId
     property string displayName
+    property int powerLevel: 0
+
+    readonly property bool admin: powerLevel >= 100
+    readonly property bool moderator: powerLevel >= 50 && ! admin
+
+
+    HLoader {
+        active: admin || moderator
+        anchors.top: parent.top
+        anchors.left: parent.left
+        anchors.topMargin: -16 / 2
+        anchors.leftMargin: anchors.topMargin
+        z: 100
+
+        sourceComponent: HIcon {
+            dimension: 16
+            svgName: "user-power-" + (admin ? "100" : "50")
+            colorize: admin ?
+                      theme.chat.roomSidePane.member.adminIcon :
+                      theme.chat.roomSidePane.member.moderatorIcon
+
+            HoverHandler { id: powerIconHover }
+
+            HToolTip {
+                visible: powerIconHover.hovered
+                text: admin ?
+                      qsTr("Admin (%1 power)").arg(powerLevel) :
+                      qsTr("Moderator (%1 power)").arg(powerLevel)
+            }
+        }
+    }
+
 }

src/qml/Chat/RoomSidePane/MemberDelegate.qml

@@ -10,6 +10,7 @@ HTileDelegate {
         userId: model.user_id
         displayName: model.display_name
         mxc: model.avatar_url
+        powerLevel: model.power_level
     }
 
     title.text: model.display_name || model.user_id

src/themes/Default.qpl

@@ -302,6 +302,8 @@ chat:
             color background:    "transparent"
             color name:          colors.text
             color subtitle:      colors.dimText
+            color adminIcon:     hsluv(60, colors.saturation * 2.25, 60)
+            color moderatorIcon: adminIcon
 
         inviteButton:
             color background: colors.inputBackground