fix: Fix ephemeral focus being taken twice.

Author: BenHenning

plugins/field-angle/src/field_angle.ts

@@ -206,11 +206,13 @@ export class FieldAngle extends Blockly.FieldNumber {
   // eslint-disable-next-line @typescript-eslint/naming-convention
   protected override showEditor_(e?: Event) {
     // Mobile browsers have issues with in-line textareas (focus & keyboards).
+    // Also, don't let the parent take ephemeral focus since the drop-down div
+    // below will handle it, instead.
     const noFocus =
       Blockly.utils.userAgent.MOBILE ||
       Blockly.utils.userAgent.ANDROID ||
       Blockly.utils.userAgent.IPAD;
-    super.showEditor_(e, noFocus);
+    super.showEditor_(e, noFocus, false);
 
     const editor = this.dropdownCreate();
     Blockly.DropDownDiv.getContentDiv().appendChild(editor);

plugins/field-slider/src/field_slider.ts

@@ -102,8 +102,9 @@ export class FieldSlider extends Blockly.FieldNumber {
   protected showEditor_(e?: Event, quietInput?: boolean) {
     // Always quiet the input for the super constructor, as we don't want to
     // focus on the text field, and we don't want to display the modal
-    // editor on mobile devices.
-    super.showEditor_(e, true);
+    // editor on mobile devices. Also, don't let the parent take ephemeral focus
+    // since the drop-down div below will handle it, instead.
+    super.showEditor_(e, true, false);
 
     // Build the DOM.
     const editor = this.dropdownCreate_();