Add guard for map styles in map operations

[patricvincit]

Add isMapStyleReady before map layer/source operations to avoid “Style is not done loading” and "Cannot read properties of undefined" errors.

Styles might be still loading even if map exists so checking just for the map is not enough

---

This change is 

[github-actions]

Dependency Review

✅ No vulnerabilities or license issues or OpenSSF Scorecard issues found.

Scanned Files

None

[Huulivoide]

@Huulivoide reviewed 3 files and all commit messages, and made 1 comment.
Reviewable status: all files reviewed, 1 unresolved discussion (waiting on patricvincit).

---

ui/src/utils/map/mapUtils.ts line 23 at r1 (raw file):

 * Checks if the map style exists and that it has finished loading. This is needed before performing operations on the map, such as adding/manipulating layers or sources.
 */
export const isMapStyleReady = (map: MapInstance) => {

funktion määrittely function avainsanalla ylätasolla.

[patricvincit]

ui/src/utils/map/mapUtils.ts line 23 at r1 (raw file):

Previously, Huulivoide (Jesse Jaara) wrote…

funktion määrittely function avainsanalla ylätasolla.

Done.

[Huulivoide]

@Huulivoide reviewed 1 file and all commit messages, and resolved 1 discussion.
Reviewable status: complete! all files reviewed, all discussions resolved (waiting on patricvincit).