Fixed issue with heading and list button dismissal when cursor is on corresponding style.

Author: khaykov

aztec/src/main/kotlin/org/wordpress/aztec/toolbar/AztecToolbar.kt

@@ -854,6 +854,8 @@ class AztecToolbar : FrameLayout, OnMenuItemClickListener {
         headingMenu?.setOnDismissListener({
             if (getSelectedHeadingMenuItem() == null || getSelectedHeadingMenuItem() == AztecTextFormat.FORMAT_PARAGRAPH) {
                 findViewById<ToggleButton>(ToolbarAction.HEADING.buttonId).isChecked = false
+            } else {
+                findViewById<ToggleButton>(ToolbarAction.HEADING.buttonId).isChecked = true
             }
         })
     }
@@ -865,6 +867,8 @@ class AztecToolbar : FrameLayout, OnMenuItemClickListener {
         listMenu?.setOnDismissListener({
             if (getSelectedListMenuItem() == null) {
                 findViewById<ToggleButton>(ToolbarAction.LIST.buttonId).isChecked = false
+            } else {
+                findViewById<ToggleButton>(ToolbarAction.LIST.buttonId).isChecked = true
             }
         })
     }