[MM-37772] Idiomatic naming (URL, URI, API) (#18128)

* s/Url/URL/g & s/Uri/URI/g

* s/Api/API/g

config/client.go

@@ -85,8 +85,8 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 
 	props["EnableEmojiPicker"] = strconv.FormatBool(*c.ServiceSettings.EnableEmojiPicker)
 	props["EnableGifPicker"] = strconv.FormatBool(*c.ServiceSettings.EnableGifPicker)
-	props["GfycatApiKey"] = *c.ServiceSettings.GfycatApiKey
-	props["GfycatApiSecret"] = *c.ServiceSettings.GfycatApiSecret
+	props["GfycatApiKey"] = *c.ServiceSettings.GfycatAPIKey
+	props["GfycatApiSecret"] = *c.ServiceSettings.GfycatAPISecret
 	props["MaxFileSize"] = strconv.FormatInt(*c.FileSettings.MaxFileSize, 10)
 
 	props["MaxNotificationsPerChannel"] = strconv.FormatInt(*c.TeamSettings.MaxNotificationsPerChannel, 10)
@@ -138,8 +138,8 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 	props["DataRetentionFileRetentionDays"] = "0"
 	props["CWSUrl"] = ""
 
-	props["CustomUrlSchemes"] = strings.Join(c.DisplaySettings.CustomUrlSchemes, ",")
-	props["IsDefaultMarketplace"] = strconv.FormatBool(*c.PluginSettings.MarketplaceUrl == model.PluginSettingsDefaultMarketplaceUrl)
+	props["CustomUrlSchemes"] = strings.Join(c.DisplaySettings.CustomURLSchemes, ",")
+	props["IsDefaultMarketplace"] = strconv.FormatBool(*c.PluginSettings.MarketplaceURL == model.PluginSettingsDefaultMarketplaceURL)
 	props["ExperimentalSharedChannels"] = "false"
 	props["CollapsedThreads"] = *c.ServiceSettings.CollapsedThreads
 
@@ -205,7 +205,7 @@ func GenerateClientConfig(c *model.Config, telemetryID string, license *model.Li
 		}
 
 		if *license.Features.Cloud {
-			props["CWSUrl"] = *c.CloudSettings.CWSUrl
+			props["CWSUrl"] = *c.CloudSettings.CWSURL
 		}
 
 		if *license.Features.SharedChannels {