Fix issue with nullish progress value in progress circle component

packages/bbui/src/ProgressCircle/ProgressCircle.svelte

@@ -17,6 +17,8 @@
   export let minValue = 0
   export let maxValue = 100
 
+  $: console.log(value)
+
   let subMask1Style
   let subMask2Style
   $: calculateSubMasks(value)
@@ -42,7 +44,7 @@
 
 <div
   on:click
-  class:spectrum-ProgressCircle--indeterminate={!value}
+  class:spectrum-ProgressCircle--indeterminate={value == null}
   class:spectrum-ProgressCircle--overBackground={overBackground}
   class="spectrum-ProgressCircle spectrum-ProgressCircle--{convertSize(size)}"
 >