(CAT-1743) Address .sync.yml not overriding cops

Prior to this commit, it was noticed that Rubocop rules that were set to
false in .sync.yml would not be properly overriden if the cop already
existed as a default enabled cop.

This commit aims to correct this unintended functionality.

moduleroot/.rubocop.yml.erb

@@ -56,11 +56,13 @@ dynamic_path = File.absolute_path(File.join(base_path, "defaults-#{version}.yml"
 default_path = File.absolute_path(File.join(base_path, "defaults-#{default_version}.yml"))
 path = File.exist?(dynamic_path) ? dynamic_path : default_path
 
+# The following block builds default_enabled_cops and default_pending_cops based on the existing values at defaults-<current_version>.yml, which usually lives at ∼/rubocop/
 require 'yaml'
 config_defaults = YAML.load(File.read(path))
 default_enabled_cops = config_defaults[:default_enabled_cops] || []
 default_pending_cops = config_defaults[:default_pending_cops] || []
 
+# This line builds cop_configs based on the values existing at profile, which was previously configured to retrieve the values of a specific profile in config_defaults.yml
 cop_configs = (profile['enabled_cops'] || {})
 
 if cop_configs == 'all'
@@ -71,12 +73,19 @@ else
   enabled_cops = []
 end
 
+disabled_cops = (enabled_cops).sort.each { |c| configs[c] if configs[c]['Enabled'] = false }
+
 (enabled_cops & default_enabled_cops).sort.each { |c| configs[c] ||= cop_configs[c] if cop_configs[c] }
 (enabled_cops - default_enabled_cops).sort.each { |c| configs[c] ||= cop_configs[c] || {}; configs[c]['Enabled'] = true }
 (default_enabled_cops - enabled_cops).sort.each { |c| configs[c] ||= cop_configs[c] || {}; configs[c]['Enabled'] = false }
 
 # force set pending cops to something to avoid the messages
-(default_pending_cops & enabled_cops).sort.each { |c| configs[c] ||= cop_configs[c] if cop_configs[c]; configs[c]['Enabled'] = true }
+(default_pending_cops & enabled_cops).sort.each { |c| configs[c] ||= cop_configs[c] if cop_configs[c]; configs[c]['Enabled'] = true } 
 (default_pending_cops - enabled_cops).sort.each { |c| configs[c] = { 'Enabled' => false } }
+
+# The logic established previously will set any cop existing within config_defaults.yml to true by default, even if that cop has been overriden by .sync.yml to be 'Enabled = false'.
+# The following line sets overriden cops to false if 'Enabled: false'.
+(disabled_cops).sort.each { |c| configs[c] = { 'Enabled' => false } }
+
 -%>
 <%= YAML.dump(configs) -%>