fix(ui5-input): correct acc info implementation (#846)

The accInfo method used to return undefined for соме aria attributes. 
Now the method works as expected.

Author: ivoplashkov

packages/main/src/Input.hbs

@@ -39,12 +39,12 @@
 			<span id="{{_id}}-suggestionsText" class="ui5-hidden-text">{{suggestionsText}}</span>
 		{{/if}}
 
-		{{#if accInfo.input.ariaDescribedBy}}
-			<span id="{{accInfo.input.ariaDescribedBy}}" class="ui5-hidden-text">{{accInfo.input.ariaDescription}}</span>
+		{{#if accInfo.input.ariaDescription}}
+			<span id="{{_id}}-descr" class="ui5-hidden-text">{{accInfo.input.ariaDescription}}</span>
 		{{/if}}
 
 		{{#if hasValueState}}
-			<span id="{{_id}}-descr" class="ui5-hidden-text">{{valueStateText}}</span>
+			<span id="{{_id}}-valueStateDesc" class="ui5-hidden-text">{{valueStateText}}</span>
 		{{/if}}
 	</div>
 

packages/main/src/Input.js

@@ -586,7 +586,7 @@ class Input extends UI5Element {
 	}
 
 	get valueStateTextId() {
-		return this.hasValueState ? `${this._id}-descr` : "";
+		return this.hasValueState ? `${this._id}-valueStateDesc` : "";
 	}
 
 	get accInfo() {
@@ -596,10 +596,10 @@ class Input extends UI5Element {
 			"wrapper": {
 			},
 			"input": {
-				"ariaDescribedBy": this._inputAccInfo ? `${this.suggestionsTextId} ${this.valueStateTextId} ${this._inputAccInfo.ariaDescribedBy}`.trim() : `${this.suggestionsTextId} ${this.valueStateTextId}`.trim(),
+				"ariaDescribedBy": this._inputAccInfo.ariaDescribedBy ? `${this.suggestionsTextId} ${this.valueStateTextId} ${this._inputAccInfo.ariaDescribedBy}`.trim() : `${this.suggestionsTextId} ${this.valueStateTextId}`.trim(),
 				"ariaInvalid": this.valueState === ValueState.Error ? "true" : undefined,
-				"ariaHasPopup": this._inputAccInfo ? this._inputAccInfo.ariaHasPopup : ariaHasPopupDefault,
-				"ariaAutoComplete": this._inputAccInfo ? this._inputAccInfo.ariaAutoComplete : ariaAutoCompleteDefault,
+				"ariaHasPopup": this._inputAccInfo.ariaHasPopup ? this._inputAccInfo.ariaHasPopup : ariaHasPopupDefault,
+				"ariaAutoComplete": this._inputAccInfo.ariaAutoComplete ? this._inputAccInfo.ariaAutoComplete : ariaAutoCompleteDefault,
 				"role": this._inputAccInfo && this._inputAccInfo.role,
 				"ariaOwns": this._inputAccInfo && this._inputAccInfo.ariaOwns,
 				"ariaExpanded": this._inputAccInfo && this._inputAccInfo.ariaExpanded,