feature/filtering-changes

[grimurd]

Making a few changes to filtering

• Make filtering case insensitive.
• When tab is pressed with invalid input treat it as text search
• Always select top result when tab is pressed

[codecov[bot]]

Codecov Report

:exclamation: No coverage uploaded for pull request base (master@2ac4048). Click here to learn what that means. The diff coverage is 0%.

@@            Coverage Diff            @@
##             master      #47   +/-   ##
=========================================
  Coverage          ?   20.18%           
=========================================
  Files             ?        1           
  Lines             ?      327           
  Branches          ?       67           
=========================================
  Hits              ?       66           
  Misses            ?      254           
  Partials          ?        7

Impacted Files	Coverage Δ
...les/ngx-magic-search/ngx-magic-search.component.ts	20.18% <0%> (ø)

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