Feature/dialog provider improvements

[badvision]

Adding support for the autocomplete and ACS query autocomplete extension

[update-changelog]

Thanks for opening this pull request! The maintainers of this repository would appreciate it if you would update the CHANGELOG.md file with this pull request.

[coveralls]

Pull Request Test Coverage Report for Build 4911

• 19 of 27 (70.37%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.02%) to 54.292%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
bundle/src/main/java/com/adobe/acs/commons/mcp/form/FieldComponent.java	4	5	80.0%
bundle/src/main/java/com/adobe/acs/commons/mcp/form/AutocompleteComponent.java	15	22	68.18%

Totals
Change from base Build 4907:	0.02%
Covered Lines:	14308
Relevant Lines:	26354

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💛 - Coveralls