Merge for 1.20.0 release

[estruyf]

1.20.0

New control(s)

• Accordion control #638
• FieldCollectionData control #591

Enhancements

• FilePicker: Stock images option added #593
• TaxonomyPicker: Add the 'required' property #216
• TaxonomyPicker: Add errorMessage and onGetErrorMessage props #600
• ListItemPicker: ability to use substring search instead of startswith #583
• Map: return display name and address details for the location #585
• Map: support for draggable and static Bing maps #586
• TaxonomyPicker: onLoad validation #602
• FieldCollectionData: Add pagining and filtering #617
• TaxonomyPicker: Finding terms with labels #288
• FileTypeIcon: Added support for additional file type in Image mode #640

Fixes

• ComboBoxListItemPicker: fetching only 100 items #569
• TaxonomyPicker: browse (tree view) doesn't work with SP 2016 On-Premises #183
• FilePicker: default tab when opened shows hidden RecentTab #477
• PeoplePicker: The required error message not showing #590
• ListItemAttachments: fails in Microsoft Teams Tab SPFx applications [ListItemAttachments fails in Microsoft Teams Tab SPFx applications #582](fails in Microsoft Teams Tab SPFx applications)
• Carousel: Changing pages doesn't work #609
• TaxonomyPicker: no suggestions are displayed if anchorId is not set
• TaxonomyPicker: Suggestion/match does not work as expected #604
• TaxonomyPicker: Include check for separator while filtering path of terms when anchorId is configured #625
• FilePicker: Bing API search issue #633
• ListView: Sort fires selection #621
• Map: A minor issue in componentWillUpdate method to get the next props rather than the current props.#641
• IFrameDialog: dialog size is incorrect when opening the dialog second time #615
• FolderPicker: imports don't work #614
• FilePicker: Yor Organization tab is not shown #596
• FolderPicker, FolderExplorer: Controls don't let you explore sub folders if parent folder has apostrophe (') in its name.#644
• PeoplePicker: image for a user picked in PeoplePicker didn't get resolved #646
• Documentation fix for IconPicker: renderOption dialog should be lowercased. #649

Contributors

Special thanks to our contributors (in alphabetical order): Alexey Sadomov, Anoop Tatti, Devang Bhavsar, Gautam Sheth, geltapatio, Joel Jeffery, juhaalhojoki, Piotr Siatka, Rabia Williams, Ravichandran Krishnasamy, Victor Pollet.****