[OSCI][BUG] Fixing bug in icon-only buttons for showing info tooltip …

…when hovered (#1160) (#1206)

* fixing bug in icon-only buttons for showing info tooltip

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>

* Updating test snapshoots related to change in button_content.tsx

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>

* Updating chanelog.md regarding update in OuiButtonContent

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>

* updating button_content.tsx using recomendation of mantainer (include undefined in className instead of empty string)

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>

* updating test snapshoots for button_content.tsx

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>

* adding title prop to OuiIcon component, removing wrapping span element in buttonIcon and updating snapshots

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>

* refactoring code for buttonIcon variable to keep more concise definition

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>

---------

Signed-off-by: Samuel Valdes Gutierrez <valdesgutierrez@gmail.com>
(cherry picked from commit 96af93e)
Signed-off-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

# Conflicts:
#	CHANGELOG.md

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>

src/components/button/button_content.tsx

@@ -96,6 +96,7 @@ export const OuiButtonContent: FunctionComponent<
         className="ouiButtonContent__icon"
         type={iconType}
         size={iconSize}
+        title={textProps?.title}
         color="inherit" // forces the icon to inherit its parent color
       />
     );