Configurable position and label for behaviors form.

config/install/layout_paragraphs.settings.yml

 show_paragraph_labels: 0
-show_layout_labels: 0
\ No newline at end of file
+show_layout_labels: 0
+paragraph_behaviors_label: 'Behaviors'
+paragraph_behaviors_position: -99
\ No newline at end of file

config/schema/layout_paragraphs.schema.yml

@@ -10,6 +10,14 @@ layout_paragraphs.settings:
       type: integer
       label: 'Show Layout Labels'
       description: 'This option allows to show the Paragraphs Layout Label of each Item added in LP widget Sections/Layouts'
+    paragraph_behaviors_label:
+      type: string
+      label: 'Paragraph behaviors label'
+      descripton: 'The paragraph behaviors form fieldset label'
+    paragraph_behaviors_position:
+      type: integer
+      label: 'Paragraph behaviors fieldset position'
+      description: 'Wheter to render the paragraph behaviors at the top or bottom of paragraph edit forms'
 
 layout_paragraphs.modal_settings:
   type: config_object
@@ -27,7 +35,7 @@ layout_paragraphs.modal_settings:
       type: boolean
       label: 'Modal autoresize'
       description: 'If checked modal forms will automatically resize.'
-   
+
 field.formatter.settings.layout_paragraphs:
   type: mapping
   label: 'Layout Paragraphs format settings'

src/Form/ComponentFormBase.php

@@ -138,6 +138,7 @@ abstract class ComponentFormBase extends FormBase {
     $display = EntityFormDisplay::collectRenderDisplay($this->paragraph, 'default');
     $display->buildForm($this->paragraph, $form, $form_state);
     $this->paragraphType = $this->paragraph->getParagraphType();
+    $lp_config = $this->config('layout_paragraphs.settings');
 
     $form += [
       '#title' => $this->formTitle(),
@@ -148,7 +149,7 @@ abstract class ComponentFormBase extends FormBase {
         [$this, 'afterBuild'],
       ],
       'actions' => [
-        '#weight' => 20,
+        '#weight' => 100,
         '#type' => 'actions',
         'submit' => [
           '#type' => 'submit',
@@ -189,6 +190,9 @@ abstract class ComponentFormBase extends FormBase {
 
     if (count($this->getEnabledBehaviorPlugins())) {
       $form['behavior_plugins'] = [
+        '#weight' => $lp_config->get('paragraph_behaviors_position') ?? -99,
+        '#type' => 'details',
+        '#title' => $lp_config->get('paragraph_behaviors_label') ?? $this->t('Behaviors'),
         '#process' => [
           [$this, 'behaviorPluginsForm'],
         ],

src/Form/LayoutParagraphsSettingsForm.php

@@ -84,6 +84,22 @@ class LayoutParagraphsSettingsForm extends ConfigFormBase {
       '#default_value' => $lp_config->get('show_layout_labels'),
     ];
 
+    $form['paragraph_behaviors_label'] = [
+      '#type' => 'textfield',
+      '#title' => $this->t('Paragraph Behaviors Fieldset Label'),
+      '#default_value' => $lp_config->get('paragraph_behaviors_label'),
+    ];
+
+    $form['paragraph_behaviors_position'] = [
+      '#type' => 'radios',
+      '#title' => $this->t('Paragraph Behaviors Fieldset Position'),
+      '#options' => [
+        '-99' => $this->t('Top of paragraph edit form'),
+        '99' => $this->t('Bottom of paragraph edit form'),
+      ],
+      '#default_value' => $lp_config->get('paragraph_behaviors_position'),
+    ];
+
     return parent::buildForm($form, $form_state);
   }
 
@@ -94,6 +110,8 @@ class LayoutParagraphsSettingsForm extends ConfigFormBase {
     $lp_config = $this->configFactory()->getEditable('layout_paragraphs.settings');
     $lp_config->set('show_paragraph_labels', $form_state->getValue('show_paragraph_labels'));
     $lp_config->set('show_layout_labels', $form_state->getValue('show_layout_labels'));
+    $lp_config->set('paragraph_behaviors_label', $form_state->getValue('paragraph_behaviors_label'));
+    $lp_config->set('paragraph_behaviors_position', $form_state->getValue('paragraph_behaviors_position'));
     $lp_config->save();
     // Confirmation on form submission.
     $this->messenger()->addMessage($this->t('The Layout Paragraphs settings have been saved.'));