Support investigation of misses patterns by hour and line

[ShayAdler]

Use case: Identifying of lack of execution by hour patterns

Example:
If we group by the execution metrics of line 64 of Electra Afikim from 1.7-30.7 by hour, we can easily identify patterns (take a look at 9:30):

Suggestion:

• In the "gaps" page, allow selecting a range of dates.
• When more than 1 day is selected, the results will be grouped -by hour, so instead of "V", "X", we'll see the following columns:
  • total planned
  • total executed
  • miss percentage - colored red-yellow-green.

[ArkadiK94]

@NoamGaash , I close this issue because I see that it was resolved and merged in Gaps patterns page #44 pr