gui: improve markup handling of connection type tooltip

Author: jonatack

src/qt/forms/debugwindow.ui

@@ -1079,7 +1079,7 @@
                <item row="1" column="0">
                 <widget class="QLabel" name="peerConnectionTypeLabel">
                  <property name="toolTip">
-                   <string>The type of peer connection:&lt;ul&gt;&lt;li&gt;Inbound: initiated by peer&lt;/li&gt;&lt;li&gt;Outbound Full Relay: default&lt;/li&gt;&lt;li&gt;Outbound Block Relay: does not relay transactions or addresses&lt;/li&gt;&lt;li&gt;Outbound Manual: added using RPC %1 or %2/%3 configuration options&lt;/li&gt;&lt;li&gt;Outbound Feeler: short-lived, for testing addresses&lt;/li&gt;&lt;li&gt;Outbound Address Fetch: short-lived, for soliciting addresses&lt;/li&gt;&lt;/ul&gt;</string>
+                   <string>The type of peer connection: %1</string>
                  </property>
                  <property name="text">
                   <string>Connection Type</string>

src/qt/rpcconsole.cpp

@@ -463,7 +463,19 @@ RPCConsole::RPCConsole(interfaces::Node& node, const PlatformStyle *_platformSty
     ui->dataDir->setToolTip(ui->dataDir->toolTip().arg(QString(nonbreaking_hyphen) + "datadir"));
     ui->blocksDir->setToolTip(ui->blocksDir->toolTip().arg(QString(nonbreaking_hyphen) + "blocksdir"));
     ui->openDebugLogfileButton->setToolTip(ui->openDebugLogfileButton->toolTip().arg(PACKAGE_NAME));
-    ui->peerConnectionTypeLabel->setToolTip(ui->peerConnectionTypeLabel->toolTip().arg("addnode").arg(QString(nonbreaking_hyphen) + "addnode").arg(QString(nonbreaking_hyphen) + "connect"));
+    ui->peerConnectionTypeLabel->setToolTip(
+        ui->peerConnectionTypeLabel->toolTip()
+            .arg(tr("<ul>"
+                    "<li>Inbound Relay: initiated by peer</li>"
+                    "<li>Outbound Full Relay: default</li>"
+                    "<li>Outbound Block Relay: does not relay transactions or addresses</li>"
+                    "<li>Outbound Manual: added using RPC %1 or %2/%3 configuration options</li>"
+                    "<li>Outbound Feeler: short-lived, for testing addresses</li>"
+                    "<li>Outbound Address Fetch: short-lived, for soliciting addresses</li>"
+                    "</ul>")
+                     .arg("addnode")
+                     .arg(QString(nonbreaking_hyphen) + "addnode")
+                     .arg(QString(nonbreaking_hyphen) + "connect")));
 
     if (platformStyle->getImagesOnButtons()) {
         ui->openDebugLogfileButton->setIcon(platformStyle->SingleColorIcon(":/icons/export"));