Added a click handler to the AppBar.Title component

[richardgorman]

• [ x ] Bug Fix 🐛 (non-breaking change which fixes an issue)
• [ ] New Feature 🚀 (non-breaking change which adds functionality)
• [ ] Breaking Change 💥 (fix or feature that would cause existing functionality to not work as expected)
• [ ] Polish 💅 (Just some cleanups)
• [ ] Docs 📝 (Changes in the documentations)
• [ ] Internal 🏠 Only relates to internal processes.

[fkloes]

Compared to the current production apps some things have changed

• when one opens the search bar with an active search term and submits, a new history entry is created. This shouldn't happen.
• when one updates the search term, the search result page should be replaced, instead of creating a new history entry

[coveralls]

Pull Request Test Coverage Report for Build 1712

• 0 of 3 (0.0%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.007%) to 47.133%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
themes/theme-gmd/components/Search/connector.js	0	3	0.0%

Totals
Change from base Build 1706:	0.007%
Covered Lines:	4843
Relevant Lines:	9704

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💛 - Coveralls