fix(ui5-input): implement aria-required (#2114)

Author: fifoosid

packages/main/src/Input.hbs

@@ -24,6 +24,7 @@
 			aria-autocomplete="{{accInfo.input.ariaAutoComplete}}"
 			aria-expanded="{{accInfo.input.ariaExpanded}}"
 			aria-label="{{accInfo.input.ariaLabel}}"
+			aria-required="{{accInfo.input.ariaRequired}}"
 			@input="{{_handleInput}}"
 			@change="{{_handleChange}}"
 			@keydown="{{_onkeydown}}"

packages/main/src/Input.js

@@ -1014,6 +1014,7 @@ class Input extends UI5Element {
 				"ariaExpanded": this._inputAccInfo && this._inputAccInfo.ariaExpanded,
 				"ariaDescription": this._inputAccInfo && this._inputAccInfo.ariaDescription,
 				"ariaLabel": getEffectiveAriaLabelText(this),
+				"ariaRequired": (this._inputAccInfo && this._inputAccInfo.ariaRequired) || this.required,
 			},
 		};
 	}