Issue number: resolves#27873
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issue. -->
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## What is the current behavior?
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Custom animations are not always used when the `handleNavigateBack`
method is called. This impacts both Ionic React and Ionic Vue.
While we do set the `incomingRouteParams` with the animation:
a08a5894ba/packages/react-router/src/ReactRouter/IonRouter.tsx (L247-L252)
We do sometimes call `handleNavigate`:
a08a5894ba/packages/react-router/src/ReactRouter/IonRouter.tsx (L273-L279)
This `handleNavigate` method sets `incomingRouteParams` again:
a08a5894ba/packages/react-router/src/ReactRouter/IonRouter.tsx (L225-L230)
Since we do not re-pass `routeAnimation`, that field gets set to
`undefined` and the custom animation does not get used.
## What is the new behavior?
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this PR. -->
- Custom animation is now passed to `handleNavigate`
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
Dev build: `7.2.2-dev.11690810887.180000d1`
Issue number: N/A
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## What is the current behavior?
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Both react and the react-router packages are on v3 of Typescript.
## What is the new behavior?
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this PR. -->
- Updates the react and reac-router package to a minimum dev-dependency
of Typescript 4.0.5 (aligning with core)
- Fixes a conflict with the react router types when upgrading to v4 of
Typescript
## Does this introduce a breaking change?
- [ ] Yes
- [x] No
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and migration path for existing applications below. -->
## Other information
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screenshots of how the component looks before and after the change. -->
