fix(generative-ai): disable spellCheck in input COMPASS-9376 (#6981)

Author: Anemy

packages/compass-generative-ai/src/components/generative-ai-input.tsx

@@ -443,6 +443,7 @@ function GenerativeAIInput({
                 ref={promptTextInputRef}
                 data-testid="ai-user-text-input"
                 aria-labelledby=""
+                spellCheck={false}
                 aria-label="Enter a plain text query that the AI will translate into MongoDB query language."
                 placeholder={placeholder}
                 value={aiPromptText}