Be more clear with connection state

[Rawa]

This PR correctly shows the tunnel state in some fast transient states. E.g when disconnecting, we previously showed disconnected but the state has not fully reached disconnected yet. Same goes for blocking, (going from Connected to Blocked state), the UI would still show Connected while in fact we are migrating to another state.

This has no security implication just being more accurate and transparent with what actual state that is happening.

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This change is 

[linear]

DROID-1690 Be honest with Connection state

[Pururun]

No objections from me, but should perhaps be aligned with design and desktop?

Reviewed 27 of 28 files at r1, 3 of 3 files at r2, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved

[Pururun]

Reviewed 19 of 19 files at r3, all commit messages.
Reviewable status: complete! all files reviewed, all discussions resolved

[Pururun]

Reconnecting while far away from disconnected location sometimes causes long in and out zoom. Should probably cancel the animation instead.

Reviewable status: complete! all files reviewed, all discussions resolved

[Rawa]

Fixed now :)

Reviewable status: 29 of 30 files reviewed, all discussions resolved (waiting on @Pururun)

[Pururun]

Reviewed 26 of 26 files at r4, 2 of 2 files at r5, all commit messages.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on @Rawa)

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android/app/src/main/kotlin/net/mullvad/mullvadvpn/util/FlowUtils.kt line 66 at r5 (raw file):

    }

fun <T> Flow<T>.withPrev(): Flow<Pair<T, T?>> = flow {

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