fix autocomplete width
<!-- datasource autocomplete -->
<div style="font-size:14px;padding-top:16px" *ngIf="model.$selectedDatasourceId != 'FILE' && showDatasources" fxLayout="column" class="pad-left pad-right" fxFlex="100">
- <mat-form-field >
+ <mat-form-field style="min-width:320px">
<input #datasourceInput matInput placeholder="Table" aria-label="Table" formControlName="tableAutocomplete" [matAutocomplete]="auto" >
<mat-autocomplete #auto="matAutocomplete" autoActiveFirstOption [displayWith]="tableAutocompleteDisplay">
<mat-option *ngIf="autocompleteLoading" ><mat-spinner diameter="50"></mat-spinner></mat-option>
