fix(material/form-field): account in cols attribute on textarea (#29836)

previously we were setting width of 180px on our input field however this also made that textarea width stays the same if they are used with `cols` attribute, this commit ensures we dont do that if we have a textarea with `cols` attribute allowing it to grow in width as much as the attribute wants it to

fixes #29459

Author: naaajii

src/material/form-field/form-field.scss

@@ -187,6 +187,12 @@ $_icon-prefix-infix-padding: 4px;
   // Needed so that the floating label does not overlap with prefixes or suffixes.
   position: relative;
   box-sizing: border-box;
+
+  // We do not want to set fixed width on textarea with cols attribute as it makes different
+  // columns look same width.
+  &:has(textarea[cols]) {
+    width: auto;
+  }
 }
 
 // In the form-field theme, we add a 1px left margin to the notch to fix a rendering bug in Chrome.