Add progress indicator for the results section

[ivan-aksamentov]

🙋 Feature Request

🔦 Context

Currently, when algorithm is running, the progress is only indicated on the "Run/Refresh" button. We need to add some sort of a progress indicator in the results section itself, to make it more intuitive.

😯 Describe the feature

• [ ] should clearly show that the algorithm is running and that the results are about to change
• [ ] should not obscure the plot completely, such that the moment when changes arrive can be seen
• [ ] the indicator timing should be fully aligned with the indicator on the button

Various creative solutions should be tried (spinners, text, fade overlay etc.) until good UX is achieved.

💻 Examples

💁 Possible Solution

Related

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[Chong-anson]

Hi, I would like to claim this issue!

[ivan-aksamentov]

@Chong-anson sure, give it a try. Thanks!

[Chong-anson]

Hi Ivan, I've added spinner icon to the plot when it is running. Any comments are welcomed!

[ivan-aksamentov]

Resolved in #706