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Issue number: resolves #27773 --------- <!-- Please do not submit updates to dependencies unless it fixes an issue. --> <!-- Please try to limit your pull request to one type (bugfix, feature, etc). Submit multiple pull requests if needed. --> ## What is the current behavior? <!-- Please describe the current behavior that you are modifying. --> The focus trap util for scoped components moves focus back to the first focusable element inside of `.ion-overlay-wrapper` when clicking the backdrop. The reason for this is it (incorrectly) assumes that all focusable elements will be children of `.ion-overlay-wrapper`. This is true **except** for `ion-backdrop` which overlays the entire screen and therefore cannot be a child of `.ion-overlay-wrapper`. This does not impact modal and popover as the shadow focus trap utility makes use of the Shadow Root as the parent for all focusable elements, not `.ion-overlay-wrapper`. ## What is the new behavior? <!-- Please describe the behavior or changes that are being added by this PR. --> - Scoped focus trap util no longer moves focus if the `ion-backdrop` was focused. I opted to explicitly account for `ion-backdrop` rather than come up with some new private API. As far as I can tell `ion-backdrop` is the only exception to this focus trapping rule with `.ion-overlay-wrapper`. Open to alternative ideas though. ## Does this introduce a breaking change? - [ ] Yes - [x] No <!-- If this introduces a breaking change, please describe the impact and migration path for existing applications below. --> ## Other information <!-- Any other information that is important to this PR such as screenshots of how the component looks before and after the change. --> Dev build: `7.1.3-dev.11689085446.181c2143`