Fix home page crash

[cewert]

This is one of those weird roku bugs it seems since m.itemText is created during init(). Comes from roku.com crash log and is currently the worst offender:

    Type: "Video" 
} 
<Component: roAssociativeArray> = 
    IsRequired: fals$1 Condition: "EqualsAny" 
{ 
nent: roArray> 
    Type: "Audio" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "LessThanEqual" 
    IsRequired: tru$1 Property: "AudioChannels" 
    Value: 6 
} 
<Component: roAssociativeArray> = 
{ 
    Codec: "mpg123" 
    Conditions: <Component: roArray> 
    Type: "VideoAudio" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "LessThanEqual" 
    IsRequired: tru$1 Property: "AudioChannels" 
    Value: 2 
} 
<Component: roAssociativeArray> = 
{ 
    Codec: "mpg123" 
    Conditions: <Component: roArray> 
    Type: "Audio" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "LessThanEqual" 
    IsRequired: tru$1 Property: "AudioChannels" 
    Value: 2 
} 
<Component: roAssociativeArray> = 
{ 
    Codec: "h264" 
    Conditions: <Component: roArray> 
    Type: "Video" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "NotEquals" 
    IsRequired: fals$1 Property: "IsAnamorphic" 
    Value: "true" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "LessThanEqual" 
    IsRequired: fals$1 Property: "VideoBitDepth" 
    Value: "8" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "EqualsAny" 
    IsRequired: fals$1 Property: "VideoProfile" 
    Value: "high|main" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "EqualsAny" 
    IsRequired: fals$1 Property: "VideoRangeType" 
    Value: "SDR" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "LessThanEqual" 
    IsRequired: fals$1 Property: "VideoLevel" 
    Value: "42" 
} 
<Component: roAssociativeArray> = 
{ 
    Condition: "LessThanEqual" 
    IsRequired: tru$1 Property: "VideoBitrate" 
    Value: "10000000" 
} 
<Component: roAssociativeArray> = 
{ 
    Codec: "av1" 
    Conditions: <Component: roArray> 
Invalid value for left-side of expression. (runtime error &he4) in pkg:/components/home/HomeItem.brs(43) 
Backtrace: 
#0  Function itemcontentchanged() As Voi$1 file/line: pkg:/components/home/HomeItem.brs(44) 
Local Variables: 
global           Interface:ifGloba$1 m                roAssociativeArray refcnt=2 count:2 
itemdata         roSGNode:HomeData refcnt=1 
localglobal      roSGNode:Node refcnt=2 
playedindicatorleftposition <uninitialized> 
extraprefix      <uninitialized> 
textextra        <uninitialized>

which points to this line after running build-prod on 2.0.7:

m.itemText.maxWidth = itemData.imageWidth

Issues

Ref #1164