fix(uidesigner): suppress exceptions thrown while editing attribute values (closes #873)

uidesigner/src/main/java/com/itsaky/androidide/uidesigner/fragments/AttrValueEditorFragment.kt

@@ -93,7 +93,12 @@ class AttrValueEditorFragment : Fragment() {
 
           val value = binding.attrValue.text.toString()
           attr.value = value
-          view.applyAttribute(attr.copyAttr(value = value))
+          try {
+            view.applyAttribute(attr.copyAttr(value = value))
+          } catch (e: Exception) {
+            // When the user is editing the attribute value, it is always invalid and cannot be
+            // resolved. Exceptions may be thrown while parsing the value which should be ignored
+          }
         }
 
       textView.setText(attr.value)