Respect user's set options when running original widget

Fixes GitHub #379

spec/integrations/auto_cd_spec.rb

@@ -0,0 +1,14 @@
+describe 'with `AUTO_CD` option set' do
+  let(:after_sourcing) do
+    -> {
+      session.run_command('setopt AUTO_CD')
+      session.run_command('autoload compinit && compinit')
+    }
+  end
+
+  it 'directory names are still completed' do
+    session.send_string('sr')
+    session.send_keys('C-i')
+    wait_for { session.content }.to eq('src/')
+  end
+end

spec/integrations/glob_subst_spec.rb

@@ -0,0 +1,12 @@
+describe 'with `GLOB_SUBST` option set' do
+  let(:after_sourcing) do
+    -> {
+      session.run_command('setopt GLOB_SUBST')
+    }
+  end
+
+  it 'error messages are not printed' do
+    session.send_string('[[')
+    wait_for { session.content }.to eq('[[')
+  end
+end

src/widgets.zsh

@@ -37,8 +37,6 @@ _zsh_autosuggest_clear() {
 
 # Modify the buffer and get a new suggestion
 _zsh_autosuggest_modify() {
-	emulate -L zsh
-
 	local -i retval
 
 	# Only available in zsh >= 5.4
@@ -55,6 +53,8 @@ _zsh_autosuggest_modify() {
 	_zsh_autosuggest_invoke_original_widget $@
 	retval=$?
 
+	emulate -L zsh
+
 	# Don't fetch a new suggestion if there's more input to be read immediately
 	if (( $PENDING > 0 )) || (( $KEYS_QUEUED_COUNT > 0 )); then
 		POSTDISPLAY="$orig_postdisplay"

zsh-autosuggestions.zsh

@@ -322,8 +322,6 @@ _zsh_autosuggest_clear() {
 
 # Modify the buffer and get a new suggestion
 _zsh_autosuggest_modify() {
-	emulate -L zsh
-
 	local -i retval
 
 	# Only available in zsh >= 5.4
@@ -340,6 +338,8 @@ _zsh_autosuggest_modify() {
 	_zsh_autosuggest_invoke_original_widget $@
 	retval=$?
 
+	emulate -L zsh
+
 	# Don't fetch a new suggestion if there's more input to be read immediately
 	if (( $PENDING > 0 )) || (( $KEYS_QUEUED_COUNT > 0 )); then
 		POSTDISPLAY="$orig_postdisplay"