Results 2 issues of jventrib

When launching the demo app with version.androidx.compose.material=1.2.0-alpha04 or any newer: `java.lang.IllegalStateException: Asking for measurement result of unmeasured layout modifier at androidx.compose.ui.node.LayoutNodeWrapper.getMeasureResult(LayoutNodeWrapper.kt:104) at androidx.compose.ui.node.LayoutNodeAlignmentLines.recalculate(LayoutNodeAlignmentLines.kt:160) at androidx.compose.ui.node.LayoutNode.layoutChildren$ui_release(LayoutNode.kt:989) at androidx.compose.ui.node.LayoutNode.onNodePlaced$ui_release(LayoutNode.kt:937) at androidx.compose.ui.node.InnerPlaceable.placeAt-f8xVGno(InnerPlaceable.kt:122) at...

**Is your feature request related to a problem? Please describe.** PXN-CB1 button box knobs implementation is poorly done, resulting in just a continuous output signal when you turn the knob...