feat(calendar): update calendar min width. (#9525)

Co-authored-by: MPopov <[email protected]>

Author: desig9stein

projects/igniteui-angular/src/lib/core/styles/components/calendar/_calendar-theme.scss

@@ -408,6 +408,7 @@
         display: flex;
         flex-flow: column nowrap;
         width: 100%;
+        min-width: 290px;
         background: --var($theme, 'content-background');
         outline: none;
         border-radius: --var($theme, 'border-radius');

projects/igniteui-angular/src/lib/core/styles/components/date-picker/_date-picker-theme.scss

@@ -20,7 +20,6 @@
     $bootstrap-theme: $variant == 'bootstrap';
 
     %date-picker {
-        min-width: 200px;
         box-shadow: igx-elevation($elevation: 24);
         border-radius: --var($theme, 'border-radius');
         background: --var($theme, 'content-background');