Prevent update selected styles when text changes (GB mode)

Gutenberg already controls the selected styles so we need to prevent Aztec modifying them when text changes.

Author: fluiddot

aztec/src/main/kotlin/org/wordpress/aztec/AztecText.kt

@@ -1048,7 +1048,10 @@ open class AztecText : AppCompatEditText, TextWatcher, UnknownHtmlSpan.OnUnknown
         }
 
         onSelectionChangedListener?.onSelectionChanged(selStart, selEnd)
-        setSelectedStyles(getAppliedStyles(selStart, selEnd))
+        // Gutenberg controls the selected styles so we need to prevent Aztec to modify them
+        if (!isInGutenbergMode) {
+            setSelectedStyles(getAppliedStyles(selStart, selEnd))
+        }
 
         isLeadingStyleRemoved = false
     }