Use same ExitMessage for all packages asking to source ~/.bashrc (#8900)

* Use same ExitMessage for all packages asking to source ~/.bashrc

* refactor reload_source

* update mold

* add extra space

* fix msg

* rename macro

* change name of macro again, run rubocop on package.rb

* update mold => 2.3.2

packages/krita.rb

@@ -9,12 +9,13 @@ class Krita < Package
   source_url 'https://download.kde.org/stable/krita/5.1.4/krita-5.1.4-x86_64.appimage'
   source_sha256 'f6678796cb98086b1e576aae4911e3d6b133cd0a4ec61a900ff5136a9f55917d'
 
-  no_compile_needed
-
   depends_on 'gtk3'
   depends_on 'gdk_base'
   depends_on 'sommelier'
 
+  no_compile_needed
+  print_source_bashrc
+
   def self.build
     krita = <<~EOF
       #!/bin/bash
@@ -37,8 +38,6 @@ class Krita < Package
   end
 
   def self.postinstall
-    puts "\nTo finish the installation, execute the following:".lightblue
-    puts 'source ~/.bashrc'.lightblue
-    puts "\nAfter the above, type 'krita' to get started.\n".lightblue
+    ExitMessage.add "\nType 'krita' to get started.\n".lightblue
   end
 end