bug with index out-of-range in widget fixed with help of lowest common multiple, thanks to @ogenkidu and @metanomad

Signed-off-by: Uncle Stretch <uncle.stretch@ghostchain.io>

src/widgets/mod.rs

@@ -11,4 +11,4 @@ pub use big_text::BigText;
 pub use big_text::PixelSize;
 pub use input::{Input, InputRequest};
 
-const CYCLE: i64 = 1500;
+const CYCLE: i64 = 1560;

src/widgets/vertical_block.rs

@@ -14,8 +14,6 @@ impl Default for VerticalBlocks {
 
 impl ToString for VerticalBlocks {
     fn to_string(&self) -> String {
-        // TODO: how it can be equal to len()??
-        // do we really need super::CYCLE in denominator?
         self.elements[((chrono::Utc::now().timestamp_millis() % super::CYCLE)
             / (super::CYCLE / self.elements.len() as i64)) as usize]
             .to_owned()