When i use "scaleExpression" inside LocationPuck2D it crashed in iOS device and works well with Android.

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Below is my code snippet which i am using to get location update in app.
Initially i wasn't able to adjust location pin size but later i found that if i give some value as a String to "scaleExpression" it changes the size of pin.
But it works only on android devices. On iOS device app gets crash with error().

This is code which i am using in my app.
` mapboxMap.location.updateSettings(LocationComponentSettings(
enabled: true,
// puckBearingEnabled: true,
puckBearingSource: PuckBearingSource.COURSE,
locationPuck: LocationPuck(
locationPuck2D: LocationPuck2D(
bearingImage: null,
shadowImage: null,
topImage: list,
scaleExpression: '2')),
));`


This is Error msg getting while app crash on iOS Device.

`mapbox_maps_flutter/LocationController.swift:75: Fatal error: 'try!' expression unexpectedly raised an error: Swift.DecodingError.typeMismatch(Swift.Array, Swift.DecodingError.Context(codingPath: [], debugDescription: "Expected to decode Array but found a number instead.", underlyingError: nil))
mapbox_maps_flutter/LocationController.swift:75: Fatal error: 'try!' expression unexpectedly raised an error: Swift.DecodingError.typeMismatch(Swift.Array, Swift.DecodingError.Context(codingPath: [], debugDescription: "Expected to decode Array but found a number instead.", underlyingError: nil))
thread #1, queue = 'com.apple.main-thread', stop reason = Fatal error: 'try!' expression unexpectedly raised an error: Swift.DecodingError.typeMismatch(Swift.Array, Swift.DecodingError.Context(codingPath: [], debugDescription: "Expected to decode Array but found a number instead.", underlyingError: nil))
frame #0: 0x0000000186a9bebc libswiftCore.dylib`_swift_runtime_on_report
libswiftCore.dylib`:
-> 0x186a9bebc <+0>: ret
libswiftCore.dylib`:
0x186a9bec0 <+0>: b 0x186a9bebc ; _swift_runtime_on_report
libswiftCore.dylib`:
0x186a9bec4 <+0>: adrp x8, 462002
0x186a9bec8 <+4>: ldrb w0, [x8, #0x2cc]
Target 0: (Runner) stopped.`

Inizia con la riproduzione Flutter fornita e segui scaleExpression da LocationPuck2D fino a LocationController.swift:75, dove viene segnalato il fallimento della decodifica su iOS. Confronta il modo in cui il valore viene gestito su Android e iOS; il lavoro è completato quando l’impostazione non causa più un arresto anomalo su un dispositivo iOS, mentre il comportamento su Android rimane intatto.

Scritto dal modello di indicizzazione a partire dal testo della issue.