Do not require root privileges when installing on MacOS

Requiring general root privileges raised some trust concerns by MacOS users. This reverts the latest changes to require root to install DBus machine-id into /etc. Now the user has to do that manually via sudo. A check will be added before running into an assert.

installer/installbuilder/project.xml

@@ -108,15 +108,23 @@ it and relaunch the installer.</text>
     <postInstallationActionList>
         <runProgram>
             <program>${installdir}/bin/dbus-uuidgen</program>
-            <programArguments>--ensure=/etc/machine-id</programArguments>
+            <programArguments>--ensure=${installdir}/share/dbus-1/machine-id</programArguments>
             <ruleList>
                 <platformTest>
                     <type>osx</type>
                 </platformTest>
             </ruleList>
         </runProgram>
+        <createDirectory>
+            <path>{user_home_directory}/Library/LaunchAgents</path>
+            <ruleList>
+                <platformTest>
+                    <type>osx</type>
+                </platformTest>
+            </ruleList>
+        </createDirectory>
         <writeFile>
-            <path>/Library/LaunchAgents/org.freedesktop.dbus-session.plist</path>
+            <path>{user_home_directory}/Library/LaunchAgents/org.freedesktop.dbus-session.plist</path>
             <encoding>utf-8</encoding>
             <text><![CDATA[
 <?xml version="1.0" encoding="UTF-8"?>
@@ -151,8 +159,7 @@ it and relaunch the installer.</text>
         </writeFile>
         <runProgram>
             <program>launchctl</program>
-            <programArguments>load -w /Library/LaunchAgents/org.freedesktop.dbus-session.plist</programArguments>
-            <runAs>${env(USER)}</runAs>
+            <programArguments>load -w ${user_home_directory}/Library/LaunchAgents/org.freedesktop.dbus-session.plist</programArguments>
             <ruleList>
                 <platformTest>
                     <type>osx</type>
@@ -232,7 +239,7 @@ it and relaunch the uninstaller.</text>
             </ruleList>
         </runProgram>
         <deleteFile>
-            <path>/Library/LaunchAgents/org.freedesktop.dbus-session.plist</path>
+            <path>${user_home_directory}/Library/LaunchAgents/org.freedesktop.dbus-session.plist</path>
             <ruleList>
                 <platformTest>
                     <type>osx</type>
@@ -240,7 +247,7 @@ it and relaunch the uninstaller.</text>
             </ruleList>
         </deleteFile>
         <deleteFile>
-            <path>/etc/machine-id</path>
+            <path>${installdir}/share/dbus-1/machine-id</path>
             <ruleList>
                 <platformTest>
                     <type>osx</type>
@@ -306,7 +313,6 @@ it and relaunch the uninstaller.</text>
             <program>open</program>
             <programArguments>${Installdir}/bin/swiftlauncher.app --args -i --bootstrapurl https://datastore.swift-project.org/shared/ &amp;</programArguments>
             <progressText>Run swift launcher wizard</progressText>
-            <runAs>${env(USER)}</runAs>
             <ruleList>
                 <platformTest>
                     <type>osx</type>
@@ -351,7 +357,6 @@ it and relaunch the uninstaller.</text>
         <platformOptions>
             <height>430</height>
             <platform>osx</platform>
-            <requireInstallationByRootUser>1</requireInstallationByRootUser>
         </platformOptions>
         <platformOptions>
             <height>430</height>